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IFDC Publications

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Contents Page

Technical Bulletins ........................................................................................................3

Reference Manuals ........................................................................................................3

Circulars .........................................................................................................................3

Special Publications ......................................................................................................4

Simulation Manuals .......................................................................................................6

Paper Series ...................................................................................................................6

Lecture Series ................................................................................................................7

General Publications .....................................................................................................7

Miscellaneous Publications ..........................................................................................8

Fertilizer Situation Reports and Other Market-Related Reports ................................8

DVDs ...............................................................................................................................9

Reprints – Nitrogen........................................................................................................9

Reprints – Phosphate .................................................................................................. 22

Reprints – Miscellaneous ............................................................................................ 35

Reprints – Sulfur .......................................................................................................... 60

Publications and Papers Available Outside IFDC ..................................................... 61

October 2017

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Publications and Papers Available From IFDC

Please enclose payment with your order. All shipping and handling costs are included in prices of publications. Payment can be made by credit card, check or money order in U.S. dollars. Please send, fax, or E-mail your order to:

IFDC Purchasing Department P.O. Box 2040 Muscle Shoals, Alabama 35662, U.S.A. FAX: 256–381–7408 E-Mail: publications@ifdc.org

Technical Bulletins T-1 Granular Urea–Advantages and Processes (OUT

OF PRINT).

T-2 The Potential for Regional Cooperation in -Fertilizer–A Methodology Study of the ASEAN Group (OUT OF PRINT).

West Africa Fertilizer Study (Volumes I-VII).

T-3 Volume I–Regional Overview (1977).

T-4 Volume II–Senegal (1977).

T-5 Volume III–Mali (1976) (OUT OF PRINT).

T-6 Volume IV–Upper Volta (1977).

T-7 Volume V–Niger (1978).

T-8 Volume VI–Chad (1977).

T-9 Volume VII–Mauritania (1978).

TF-3 Volume un–Apercu Regional (1977).

TF-4 Volume deux–Senegal (1977).

TF-5 Volume trois–Mali (1976).

TF-6 Volume quatre–Haute Volta (1977).

TF-7 Volume cinq–Niger (1978).

TF-8 Volume six–Tchad (1977).

TF-9 Volume sept–Mauritanie (1978).

T-10 Suggested Fertilizer-Related Policies for Governments & International Agencies (1978).

T-11 The Bangladesh Fertilizer Sector, 1978 (1978).

T-12 Sulfur in the Tropics (1979).

T-13 World Fertilizer Situation and Outlook–1978–85.

T-14 Organic Nitrogen Compounds for Use as Fertilizers (1979).

T-15 Bolivia Fertilizer Situation and Recommendations (1979).

T-16 Mexico: The Fertilizer Industry (1979).

T-17 Thailand Strategy for Fertilizer Development—A Prefeasibility Study (1980).

T-18 Nigeria Fertilizer Sector: Present Situation and Future Prospects (1981).

T-19 Energy and Fertilizer: Policy Implications and Options for Developing Countries (Executive Brief) (1981).

T-20 Energy and Fertilizer: Policy Implications and Options for Developing Countries (1982).

T-21 Economic Evaluation of Fertilizer Supply Strategies for the ASEAN Region: Linear Programming Approach (1981) (OUT OF PRINT).

T-22 World Fertilizer Progress into the 1980s (1981).

T-23 Potassium, Calcium, and Magnesium in the Tropics and Subtropics (1982).

T-24 Fertilizer Use Statistics in Crop Production (1982).

T-25 Compaction–Alternative Approach for Granular Fertilizers (1983) (OUT OF PRINT).

T-26 Briquetting: Alternative Process for Urea -Supergranules (1983).

T-27 Fertilizer Sulfur and Food Production: Research and Policy Implications for Tropical Countries (Executive Brief) (1983).

T-28 Fertilizer Sulfur and Food Production: Research and Policy Implications for Tropical Countries (1986) (Published by Martinus Nijhoff).*

T-29 The Vital Role of Potassium Fertilizers in Tropical Agriculture: The Present Position, Future Potential, and Constraints to Progress (1984).

T-30 Micronutrients in Tropical Food Crop Production (1985) (Published by Martinus Nijhoff).

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T-31 Sulfuric Acid-Based Partially Acidulated Phos-phate Rock: Its Production, Cost, and Use (1986).

T-32 Women, Agriculture, and Rural Development in Latin America (1985) (OUT OF PRINT).

T-33 Fertilizer Marketing Systems and Policies in the Developing World (1987).

T-34 Global Fertilizer Perspective, 1960-95: The Dynamics of Growth and Structural Change (1989).

T-35 Global Fertilizer Perspective, 1960-95: The Dynamics of Growth and Structural Change, Executive Summary (1989).

T-36 Production of Granular NPKs in Ammonium Phosphate Plants (1989).

T-37 Fertilizer Use Statistics and Crop Yield (1990).

T-38 Analyse et Perspectives de Developpement des Engrais dans le Monde, 1960-95, Résumé Analytique (French Version of T-35) (1990).

T-39 Perspectiva Global de Fertilizantes, 1960-95, Resumen Ejecutivo (Spanish Version of T-35) (1990).

T-40 A Model for a Fertilizer Information Unit in Developing Countries (1990).

T-41 Ghana–Policy Environment and Fertilizer Sector Development (1994).

T-42 Global Fertilizer Perspective, 1980-2000: The Challenges in Structural Transformation (1995).

T-43 The Basics of Zinc in Crop Production (1996).

T-44 Compaction of Phosphate Rocks with Soluble Phosphates (1996).

T-45 The Quality of Fertilizers in West Africa (1995) (1996) (Also available from IFDC Africa Division).

T-46 Towards Developing a Competitive Fertilizer Marketing and Distribution Network in Ukraine (1997).

T-47 An Analysis of the Potential Demand for Phosphate Fertilizers: Sources of Change and Projections to 2025 (1998).

T-48 Estimating Rates of Nutrient Depletion in Soils of Agricultural Lands of Africa (1999).

T-49 An Evaluation of Strategies to Use Indigenous and Imported Sources of Phosphorus to Improve Soil Fertility and Land Productivity in Mali (1999).

T-50** Approvisionnement, commercialisation et demande des engrais en Republique Populaire du Benin (1988).

T-51** Approvisionnement, commercialisation et demande des engrais en Republique du Togo (1990).

T-52** Approvisionnement, commercialisation et demande des engrais au Burkina Faso (1991).

T-53** Alleviating Soil Fertility Constraints to Increased Crop Production in West Africa (1991) (English and French). Kluwer Academic Publishers in cooperation with IFDC.

T-54** Le commerce des engrais au Niger: I’impact de la politique nigériane (1994).

T-55** Use of Phosphate Rock for Sustainable Agriculture in West Africa (1995), Miscellaneous Fertilizer Studies No. 11.

T-56** Ghana Fertilizer Privatization Scheme: Private Sector Roles and Public Sector Responsibilities in Meeting Needs of Farmers (1995).

T-57** Restoring and Maintaining the Productivity of West African Soils: Key to Sustainable Development (1996), Miscellaneous Fertilizer Studies No. 14.

T-58** Aperçu sur le secteur des engrais au Mali (1998) Etudes Diverses de Engrais No. 15.

T-59** Evaluation of Phosphate Deposits for Fertilizer Use in West Africa (1992).

T-60** La distribution des engrais en Républic du Togo (1990).

T-61** Soil Fertility Status and Management for the Millet Producing Soils of West Africa (1991).

T-62** Stratégie Nationale et Plan d’Action de Gestion Intégrée de la Fertilité des Sols (National Strategy and Action Plan for Integrated Soil Fertility Management), Ministry of Burkina Faso/IFDC-Africa.

T-63 A Strategic Framework for African Agricultural Input Supply System Development (2000) English and French versions included.

T-64 Implications of the Uruguay Round Agreements for Agriculture and Agribusiness Development in Bangladesh (2001).

T-65** Empowering Farmers for Effective Participation in Decision-Making (2002).

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T-66** Responsibilisation des Paysans pour une Participation Effective aux Prises de Decisions (2002) (French version of T-65).

T-67** Collaborative Research Programme for Soil Fertility Restoration and Management in Resource-Poor Areas of Sub-Saharan Africa (2002).

T-69** L’Etat du Marché des Intrants Agricoles au Mali, au Burkina Faso et au Ghana (2004).

T-70** L’Etat du Marché des Intrants Agricoles au Benin (2005).

T-71 Development and Dissemination of Sustainable Integrated Soil Fertility Management Practices for Smallholder Farmers in Sub-Saharan Africa (2005).

T-72 Agricultural Production and Soil Nutrient Mining in Africa: Implications for Resource Conservation and Policy Development (2006).

T-73 Agroecological Principles of Integrated Soil Fertility Management—A Guide With Special Reference to Sub-Saharan Africa (2008).

T-74 A Dynamic Model to Forecast and Evaluate Changes and Trends in the Global Market for Fertilizers (2011).

T-75 World Phosphate Rock Reserves and Resources. (2010).

T-76 Operating Manual on Automated Continuous Measurement of Greenhouse Gas Emissions (2014).

Reference Manuals R-1* Fertilizer Manual (1979) (Published by Martinus

Nijhoff) (OUT OF PRINT).

R-2 International Fertilizer Market Information Sources (OUT OF PRINT).

RS-2 Fuentes de Informacion Sobre el Mercado Internacional de Fertilizantes (1980) (OUT OF PRINT).

R-3 Corrosion Manual, Part I, Wet-Process Phosphoric Acid (1981) (OUT OF PRINT).

R-4 International Fertilizer Market Information Sources (1984) (Revised Edition).

R-5 Fertilizer Situation in the Arab Region (1985).

R-6 Republished (see R-10).

R-7 The Pi Soil Phosphorus Test: A New Approach to Testing for Soil Phosphorus (1989).

R-8 Fertilizer Policy for Sub-Saharan Africa: A Review of the Literature (1988).

R-9 World Fertilizer Market Information Sources (1991) (OUT OF PRINT).

R-10 Manual for Determining Physical Properties of Fertilizer, Second Edition (1993).

R-11* Fertilizer Manual (1998) ($95).

R-12 IFDC Fertilizer Analytical Manual (1996).

R-12a IFDC Fertilizer Sampling Manual.

R-13 Decision Support Tools for Smallholder Agriculture in Sub-Saharan Africa: A Practical Guide (2003).

R-14 Outils d’aide à la décision pour l’agriculture en Afrique sub-saharienne: un guide pratique (2004) French version of R-13.

R-15 Fertilizer Dealer Handbook: Products, Storage, and Handling (2005).

R-16 Fertilizer Raw Material Resources of Africa (2006).

RCD-16 Fertilizer Raw Material Resources of Africa (2006) (CD-ROM).

R-17 Competitive Agricultural Systems and Enterprises (CASE): A Grassroots Approach to Agribusiness Development in Sub-Saharan Africa (2011).

R-17 Systèmes et entreprises agicoles compétitifs (CASE): une approche au niveau local du développement de l’agro-industrie en Afrique Subsaharienne (2012). French

R-18 Rapid Introduction and Market Development for Urea Deep Placement Technology for Lowland Transplanted Rice: A Reference Guide (2016) (+CD-ROM).

Circulars (Free of charge)

S-0 IFDC Progress Report 1975–1976 (OUT OF PRINT).

S-1 IFDC Progress Report 1977 (OUT OF PRINT).

S-2 IFDC Annual Report 1978.

S-3 IFDC Annual Report 1979.

S-4 IFDC Annual Report 1980.

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S-5 IFDC Annual Report 1981.

S-6 IFDC Annual Report 1982.

S-7 IFDC Annual Report 1983.

S-8 IFDC Annual Report 1984.

S-9 IFDC Annual Report 1985.

S-10 IFDC Annual Report 1986.

S-11 IFDC Annual Report 1987.

S-12 IFDC Annual Report 1988.

S-13 IFDC Annual Report 1989.

S-14 IFDC Annual Report 1990.

S-15 IFDC Annual Report 1991.

S-16 IFDC Annual Report 1992.

S-17 IFDC Annual Report 1993.

S-18 IFDC Annual Report 1994.

S-19 IFDC Annual Report 1995.

S-20 IFDC Annual Report 1996.

S-21 IFDC Annual Report 1997.

S-22 IFDC Annual Report 1998.

S-23 IFDC Annual Report 1999.

S-24 IFDC Corporate Report 2000/2001.

S-25 IFDC Corporate Report 2001/2002.

S-26 IFDC Corporate Report 2002/2003.

S-27 IFDC Corporate Report 2003/2004.

S-28 IFDC Corporate Report 2004/2005.

S-29 IFDC Corporate Report 2005/2006.

S-30 IFDC Corporate Report 2006/2007.

S-31 IFDC Corporate Report 2007/2008.

S-32 IFDC Corporate Report 2008/2009.

S-33 2009-2010 Annual Report.

S-34 Annual Report 2010.

S-35 Annual Report 2011.

S-36 2012 Annual Report

S-37 2013 Annual Report

S-38 2014 Annual Report.

Special Publications SP-1 Seminar on Phosphate Rock for Direct

Application (1979).

SP-2 Fertilizers for Tropical and Subtropical Agriculture (1982).

SP-3 Fertilizer Subsidies in Developing Countries (1984).

SP-4 A Seeding Program for Fertilizer Marketing (1984).

SP-5 Proceedings of Fertilizer Efficiency Research and Technology Transfer Workshop for Africa South of the Sahara (1985).

SP-6 Proceedings of the Workshop on Urea Deep Placement Technology (1986) (OUT OF PRINT).

SP-7 Management of Nitrogen and Phosphorus Fertilizers in Sub-Saharan Africa (1986) (Published by Martinus Nijhoff).

SP-8 Workshop on Fertilizer Sector Development and Agricultural Production in Selected Countries of Mediterranean, Middle East, and North Africa, Proceedings (1988) (OUT OF PRINT).

SP-9 NPK Fertilizer Production Alternatives, Proceedings of International Workshop, Madras/Bombay, India (1988).

SP-10 Workshop on Fertilizer Policy in Tropical Africa, Workshop Proceedings (1990).

SP-11 Soil Fertility and Fertilizer Management in Semi-Arid Tropical India, Colloquium Proceed-ings (1989).

SP-12 Workshop on Fertilizer Sector Development in Africa (available in English and French) (1986).

SP-13 Alternativas Sobre el Uso Como Fertilizantes de Fosfatos Nativos en America Tropical y Subtropical (1987) (also available from Centro Internacional de Agricultura Tropical [CIAT], Cali, Colombia) (OUT OF PRINT).

SP-14 Supplying Quality Multinutrient Fertilizer in the Latin American and Caribbean Region Emphasizing Bulk Blending and the Complementary Role of Granulation, Workshop Proceedings (1990).

SP-15 Urea-Based NPK Plant Design and Operating -Alternatives, Workshop Proceedings (1991).

SP-16 Developing the Fertilizer Dealer– Emphasizing the Small-Farm Sector, Workshop Proceedings (1991).

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SP-17 Environmental Impact of Ammonia and Urea Production Units, Workshop Proceedings (1992).

SP-18 Phosphate Fertilizers and the Environment, Workshop Proceedings (1992).

SP-19 Abstracts—Lectures Presented at IFDC Training Program: Plant Nutrient Management for Sustainable Agriculture (1993).

SP-20 Fertilizer Use at the Village Level: Constraints and Impacts, Summary Proceedings of Workshop, Lomé, Togo, October 2-8, 1991, K. Acheampong, E. R. Rhodes and D. Pouzet (Eds.) (1993).

SP-21 Nitric Acid Based Fertilizers and the Environment, Workshop Proceedings (1994).

SP-22 Applying Crop Models and Decision Support Systems, Summaries of Training Program on Computer Simulation of Crop Growth and Management Responses (1995) (OUT OF PRINT).

SP-23 Applying Crop Models and Decision Support Systems, Volume 2—1995, Summaries of Training Program on Computer Simulation of Crop Growth and Management Responses (1996) (OUT OF PRINT).

SP-24 Direct Application of Phosphate Rock and Appropriate Technology Fertilizers in Asia: What Hinders Acceptance and Growth, Proceedings of International Workshop, Kandy, Sri Lanka, February 20-24, 1995, K. Dahanayake, S.J. Van Kauwenbergh and D.T. Hellums (Eds.) (1995).

SP-25 Environmental Challenges of Fertilizer Production—An Examination of Progress and Pitfalls, Proceedings of an International Workshop, Atlanta, Georgia, U.S.A., September 17-19, 1997, J.J. Schultz and E.N. Roth (Eds.) (1998).

SP-26 Privatization and Deregulation—Needed Policy Reforms for Agribusiness Development, Surjit S. Sidhu and Mohinder S. Mudahar (Eds.) (1999).

SP-27** IFDC-Africa. 1988. Proceedings of First Annual Meeting of the African Fertilizer Trade and Marketing Information Network (AFTMIN) on Structure, Problems, and Constraints of the Fertilizer Sector in Sub-Saharan Countries, Particularly in Relation to Privatization, Marketing Costs, and Supply. (Available in English and French.) Miscellaneous Fertilizer Studies No. 1.

SP-28** Proceedings of the Workshop on West African Agrominerals, Lomé, April 19-21, 1988.

SP-29** IFDC-Africa. 1989. Proceedings of Second Annual Meeting of the African Fertilizer Trade and Marketing Information Network (AFTMIN) on Ways to Reduce Costs of Fertilizer Imports and Marketing in Sub-Saharan Africa. (Available in English and French.) Miscellaneous Fertilizer Studies No. 3.

SP-30** IFDC-Africa. 1990. Proceedings of Third Annual Meeting of the African Fertilizer Trade and Marketing Information Network (AFTMIN) on the Fertilizer Demand and Supply Situation in Africa and for the Future Outlook. (Available in English and French.) Miscellaneous Fertilizer Studies No. 5.

SP-31** IFDC-Africa. 1991. Proceedings of Fourth Annual Meeting of the African Fertilizer Trade and Marketing Information Network (AFTMIN) on Fertilizer Promotion and Sales Techniques in Sub-Saharan Africa. (Available in English and French.) Miscellaneous Fertilizer Studies No. 7.

SP-32** IFDC-Africa. 1993. Proceedings of the Sixth Annual Meeting of the African Fertilizer Trade and Marketing Information Network on Bulk Blending of Fertilizers in Sub-Saharan Africa. Miscellaneous Fertilizer Studies No. 9.

SP-33** Ofori, F. and E.Y. Safo (Eds.) 1998. Proceedings of the National Workshop on Soil Fertility Management Action Plan for Ghana, Workshop held at Cape Coast, Ghana, July 2-5, 1996.

SP-34** Towards the Development of National Soil Fertility Action Plans: Sharing Experiences. 1998. Summary Proceedings of the Regional Workshop on Sharing Experiences in National Soil Fertility Action Plans, Ouagadougou, Burkina Faso, October 28-30, 1997.

SP-35** IFDC-Africa. 1999. Linking Soil Fertility Management to Agricultural Input and Output Market Development: The Key to Sustainable Agriculture in West Africa, S.K. Debrah and Willem G. Koster (Eds.). Miscellaneous Fertilizer Studies No. 16.

SP-36 Current Environmental Issues of Fertilizer Production, Proceedings of an International Workshop, Prague, Czech Republic, June 7-9, 1999, J.J. Schultz and D.R. Waggoner (Eds.) (2002).

SP-37 Direct Application of Phosphate Rock and Related Appropriate Technology—Latest Developments and Practical Experiences,

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Proceedings of an International Meeting, Kuala Lumpur, Malaysia, July 16-20, 2001, S.S.S. Rajan and S.H. Chien (Eds.) (2003).

SP-38 Agricultural Inputs Policies and Nigerian Development, Proceedings of a National Workshop held at Abuja, Nigeria, August 26-27, 2003 (2004).

SP-39 Africa Fertilizer Summit Proceedings. 2007. Proceedings of Summit held at Abuja, Nigeria, June 9-13, 2006.

SP-40 Policy Workshop on Strengthening Regional Trade in Agricultural Inputs in Africa: Issues and Options and Private Sector Roundtable Meeting on Expanding Fertilizer Markets in Africa: Issues and Options. 2010. Summary Reports of Policy Workshop and Private Sector Roundtable Meeting held at Lusaka, Zambia, July 1-4, 2008.

SP-41 Practices and Policy Options for the Improved Design and Implementaton of Fertilizer Subsidy Programs in Sub-Saharan Africa, NEPAD Agency Policy Study (Joint Publication by the NEPAD Planning and Coordinating Agency, the United Nations, FAO and IFDC) (2013).

SP-42 The Quality of Fertilizer Traded in West Africa: Evidence for Stronger Control (Joint ECOWAS, UEMOA and IFDC report) (2013).

SP-43 Huan, J., A. Gulati, and I. Gregory (Eds.). 2017. Fertilizer Subsidies – Which Way Forward? International Fertilizer Development Center/Fertiliser Association of India (IFDC/FAI), Muscle Shoals, Alabama. http://tinyurl.com/jdwdd3q

Simulation Manuals SM-1 A User’s Guide to CERES Maize (V2.10) (1992).

SM-2 A User’s Guide to CERES Wheat (V2.10) (1990).

SM-3 A User’s Guide to CERES Barley (V2.10) (1991).

SM-4 A User's Guide to CERES Rice (V2.10) (1993).

SM-6 A User's Guide to CERES Sorghum (V2.10) (OUT OF PRINT).

Paper Series P-1 Parish, D.H. Possibilities for the Improvement of

Nitrogen Fertilizer Efficiency and Rice Production (1980).

P-2 Parish, D.H., L.L. Hammond and E.T. Craswell. Research on Modified Fertilizer Materials for Use in Developing-Country Agriculture (1980).

P-3 Pollution Control and Environmental Protection (1983).

P-4 Agronomic and Economic Evaluation of Urea Placement and Sulfur-Coated Urea for Irrigated Paddy in Farmers’ Fields in Eastern India (1983).

P-5 Humidity Factors Affecting Storage and Handling of Fertilizers (1984) (OUT OF PRINT).

P-6 A Socioeconomic Study of Farm-Level Constraints to Fertilizer Use in Western Niger (1988).

P-7 Agronomic Evaluation of PAPR in the Tropics: IFDC’s Experience (1988).

P-8 The Benefits of Fertilizer Use in Developing Countries (1989).

P-9 Agroecological Constraints to Crop Production in Western Asia and North Africa, and Their Impact on Fertilizer Use (1989).

P-10 Fertilizer Production and Supply Constraints and Options in Sub-Saharan Africa (1989).

P-11 Venezuela Fertilizer Subsidy and Agricultural Production (1989).

P-12 Fertilizer Situation and Markets in Malawi (1990).

P-13 Production et Approvisionnement en Engrais en Afrique Sub-Saharienne: Constraintes et Options (1990) (French version of P-10).

P-14 Fertilizer Situations and Markets in Zambia (1991).

P-15 Application of Crop Simulation Models in Agricultural Research and Development in the Tropics and Subtropics (1991).

P-16 Phosphate Fertilizers and the Environment–A Discussion Paper (1993).

P-17 Water Solubility of Phosphate Fertilizers: Agronomic Aspects–A Literature Review (1993).

P-18 Agricultural Productivity, Sustainability, and Fertilizer Use (1993).

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P-19 Linking Crop Models With a Geographic Information System to Assist Decisionmaking: A Prototype for the Indian Semiarid Tropics (1993).

P-20 Summary Report–Area Sampling Frame and Crop Yield Surveys in Albania–1993 (1994).

P-21 Raport Permbledhes–Vezhgime mbi Siperfaqen e Kufizuar Moster dhe Rendimentet ne Shqiperi–1993 (1994).

P-22 Improving Agricultural Input Supply Systems in Sub-Saharan Africa: A Review of Literature (2001) (CD-ROM).

P-23 Agricultural Input Markets in Nigeria: An Assessment and a Strategy for Development (2001).

P-24 An Action Plan for Developing Agricultural Input Markets in Ghana (2002).

P-25 An Action Plan for Developing Agricultural Input Markets in Malawi (2002).

PCD-26 Fertilizer Regulatory Systems (2003) (CD-ROM).

PCD-27 An Assessment of Fertilizer Prices in Kenya and Uganda: Domestic Prices vis-à-vis International Market Prices (2003) (CD-ROM).

P-28 An Action Plan for Developing Agricultural Input Markets in Uganda (2003).

P-29 Input Subsidies and Agricultural Development: Issues and Options for Developing and Transitional Economies (2003).

P-30 The Rebuilding of Afghanistan’s Agriculture (2003).

P-31 Improving African Food Security (2004).

P-32 The Comparative Advantage of Agricultural Production in Southern Kyrgyzstan (2003).

P-33 Russian version of P-29 Input Subsidies and Agricultural Development: Issues and Options for Developing and Transitional Economies.

P-34 Restoring Kosovo’s Agriculture Sector After Conflict—IFDC’s Involvement (2006).

P-35 An Action Plan for Developing Agricultural Input Markets in Tanzania (2005).

P-36 An Action Plan for Developing Agricultural Input Markets in Zambia (2005).

P-37** Subvention des intrants et développement de l’agriculture (French version of P-29) (2006).

P-38 Social Performance of an Innovative Method of Rice Fertilization in Southern Asia (2007).

PCD-39 An Action Plan for Developing Agricultural Input Markets in Rwanda (2009) (CD-ROM).

P-39 The Division of Labor and Agricultural Innovation in Bangladesh: Dimensions of Gender (2010).

Lecture Series LS-1 Sustainable Agriculture and Sustainable

Development: At the Crossroads (1995) First Travis P. Hignett Memorial Lecture.

LS-2 Long-Range Perspectives on Inorganic Fertilizers in Global Agriculture (1999) Second Travis P. Hignett Memorial Lecture.

LS-3 Feeding a World of 10 Billion People: The TVA/IFDC Legacy (2003) Third Travis P. Hignett Memorial Lecture.

LS-4 Feeding a Hungry World: The Triumph of Synthetic Fertilizers (2010). Fourth Travis P. Hignett Memorial Lecture.

General Publications G-1 IFDC Publications Catalog (2013) (free of

charge).

G-2 IFDC Profile (1982), available in English and/or Spanish (OUT OF PRINT).

G-3 IFDC Training Programs (1986, revised) (OUT OF PRINT).

G-4 IFDC Marketing Development Services (1984) (OUT OF PRINT).

G-5 The IFDC Story (OUT OF PRINT).

G-6 IFDC—Providing Technical Services to the Developing World

G-6a IFDC and Its Capabilities (1997).

G-7 Travis P. Hignett Memorial Library (1994).

G-8 IFDC’s Impact on the Shoals Area (1991) (OUT OF PRINT).

G-9 Managing Plant Nutrients for Sustainable Agriculture (1999).

G-10 Making a Difference Around the World (2002).

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Miscellaneous Publications

A-1 Economic and Technical Aspects of Fertilizer Production and Use in West Africa, T. Zalla, R.B. Diamond and M.S. Mudahar, IFDC/MSU Working Paper No. 22 (1977) (OUT OF PRINT).

A-2 Review of the Fertilizer Distribution and Handling System in Bangladesh, W.E. Clayton (1981) (OUT OF PRINT).

A-2a How to Use the IFDC Dispenser Method of Hand Deep Placement of Urea Supergranules in Transplanted Rice, N.K. Savant (1988).

A-3 Farm Servicing Handbook, C.C. Yaptenco, Jr., in collaboration with R.J. Baker, Jamaica Ministry of Agriculture, and K.F. Nielsen, Canadian International Development Agency (1993) (OUT OF PRINT).

A-4 Fertilizer Use by Crop, FAO, jointly with IFDC, IPI and PPI (2002).

A-5** Bationo, A., M.C. Klaij, K.K. Lee and A.U. Mokwunye. 1995. “The Status of Organic Matter and Role of Organic Amendments in Sustaining Pearl Millet Productivity in the Sandy Soils of West African Semi-Arid Tropics,” West and Central Africa Soil Science Association (WCASS), Ouagadougou, Burkina Faso.

A-6** Bationo, A., M.P. Sedogo, E.O. Uyovbisere and A.U. Mokwunye. 1995. “Recent Achievements on Soil Fertility Management in the West African Semi-Arid Tropics,” West and Central Africa Soil Science Association (WCASS), Ouagadougou, Burkina Faso.

Fertilizer Situation Reports and Other Market-Related

Reports FSR-1 Africa Fertilizer Situation (updated October

2013) (paperback – $60; Excel – $150).

FSR-2 Asia Fertilizer Situation (updated January 2013) (paperback – $60; Excel – $150).

FSR-3 Latin America Fertilizer Situation (updated September 2013) (paperback –$60; Excel – $150).

FSR-5 North America Fertilizer Capacity (updated December 2016) (E-mail download - $70; paperback – $100; Excel – $250).

FSR-6 Central Europe Fertilizer Situation (updated February 2013) (paperback – $60; Excel – $150).

FSR-7 Worldwide Urea Capacity Listing by Plant (updated December 2016) E-mail download - $70; paperback – $100; Excel – $250).

FSR-8 Worldwide DAP and MAP Capacity Listing by

Plant (updated December 2016) (E-mail download - $70; paperback – $100; Excel – $250).

FSR-9 Worldwide Potash Capacity Listing by Plant

(updated December 2016) (E-mail download - $70; paperback – $100; Excel – $250).

FSR-10 Worldwide Ammonia Capacity Listing by Plant (updated December 2016) (E-mail download - $70; paperback – $100; Excel – $250).

FSR-12 A Guide to Fertilizer Products for Traders (paperback – $60)

FSR-14 Worldwide Ammonium Nitrate and Calcium Ammonium Nitrate Capacity Listing by Plant (updated December 2016) (E-mail download - $70; paperback – $100; Excel – $250).

FSR-16 Global and Regional Data on Fertilizer Production and Consumption, From 1961/62 (updated August 2013) (paperback – $60; Excel – $150).

FSR-18 Western Europe Fertilizer Situation (updated July 2012) (paperback – $60; Excel – $150).

FSR-19 Eurasia Fertilizer Situation (updated November 2012) (paperback – $60; Excel – $150).

FSR-20 North America Fertilizer Situation (updated October 2012) (paperback – $60; Excel – $150).

FSR-21 China Fertilizer Situation (updated April 2013) (paperback – $60; Excel – $150).

FSR-22 Worldwide NPK Capacity Listing by Plant (updated December 2016) (E-mail download - $70; paperback – $100; Excel – $250).

FSR-23 Worldwide Phosphoric Acid Capacity Listing by Plant (updated December 2016) (E-mail download - $70; paperback – $100; Excel – $250).

FSR-24 Worldwide Sulfuric Acid Capacity Listing by Plant (updated December 2016) (E-mail download - $70; paperback – $100; Excel – $250).

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DVDs DV-1 An African Green Revolution (video released at

the Africa Fertilizer Summit held in Abuja, Nigeria, June 9–13, 2006).

DV-2 “The Primary Nutrients in Plant Growth,” Video production: IFDC communications staff, Muscle Shoals, Alabama, USA.

Reprints – Nitrogen B-1 Hignett, T.P. 1974. Recent Developments in

Fertilizer Production Technology and Economics With Special Reference to Ammonia and Compound Fertilizers, Extension Bulletin No. 40, Asian and Pacific Food and Fertilizer Technology Center (ASPAC), Taipei, Taiwan, Republic of China.

B-2 Hignett, T.P. 1977. “Trends in Ammonia Feedstocks,” FAI-IFDC Fertiliser Seminar, 1977, Trends in Consumption and Production, Proceedings, TECH-I/1, pp. 1-18.

B-3 Craswell, E.T. and P.L.G. Vlek. 1978. “Fertilizers for Deep Placement and Slow Release of Nitrogen for Rice,” International Rice Research Newsletter, 3:20-21.

B-4 Vlek, P.L.G. and J.M. Stumpe. 1978. “Effects of Solution Chemistry and Environmental Conditions on Ammonia Volatilization Losses From Aqueous Systems,” Soil Science Society of America Journal, 42(3):416-421.

B-5 Craswell, E.T. and P.L.G. Vlek. 1978. “Fate of Fertilizer Nitrogen Applied to Wetland Rice,” IN Nitrogen and Rice, Symposium Proceedings, International Rice Research Institute, Manila, -Philippines.

B-6 Byrnes, B.H., P.L.G. Vlek and E.T. Craswell. 1979. “The Promise and Problems of Supergranules for Rice Fertilization,” IN Final INPUTS Review Meeting, pp. 75-83, East-West Center, Honolulu, Hawaii.

B-7 Craswell, E.T. and P.L.G. Vlek. 1979. “Greenhouse Evaluation of Nitrogen Fertilizers for Rice,” Soil Science Society of America Journal, 43(6).

B-8 Hignett, T.P. 1979. “Transportation and Storage of Ammonia,” IN Proceedings of the 29th Annual Fertilizer Industry Round Table, pp. 23-37, Washington, D.C.

B-9 Stangel, P.J. 1979. “Nitrogen Requirement and Adequacy of Supply for Rice Production,” IN Nitrogen and Rice, Symposium Proceedings, International Rice Research Institute (IRRI), Los Baños, Philippines.

B-10 Vlek, P.L.G. and E.T. Craswell. 1979. “Effect of Nitrogen Source and Management on Ammonia Volatilization Losses From Flooded Rice-Soil Systems,” Soil Science Society of America Journal, 43(2):352-358.

B-11 Vlek, P.L.G., I.R.P. Fillery and J.R. Burford. 1979. “Accession, Transformation, and Loss of Nitrogen in Soils of the Arid Region,” Plant and Soil, 58:133-175.

B-12 Vlek, P.L.G., L.J. Youngdahl and C.W. Hong. 1979. “An Analysis of N Nutrition on Yield and Yield Components for the Improvement of Rice Center (ASPAC), Taipei, Taiwan, Republic of China. Fertilization in Korea,” Agronomy Journal, 71:829-833.

B-13 Craswell, E.T. and P.L.G. Vlek. 1980. “Research to Reduce Losses of Fertilizer Nitrogen From Wetland Rice Soils,” IN FAI Seminar 1980 on Fertilizers in India in the Eighties, New Delhi, India, AGS II, 1(i):1-24.

B-14 Craswell, E.T. and S.K. De Datta. 1980. Recent Developments in Research on Nitrogen Fertilizers for Rice, IRRI Research Paper Series, No. 49, International Rice Research Institute, Los Bãnos, Philippines.

B-15 Craswell, E.T., P.A. Roger, S.A. Kulasooriya and A.C. Tirol. 1980. “Deep Placement: A Method of Nitrogen Fertilizer Application Compatible With Algal Nitrogen Fixation in Wetland Rice Soils,” Plant and Soil, 57:137-142.

B-16 Stangel, P.J., D.R. Bouldin and R.S. Reid. 1980. “Nitrogen as a Constraint to Nonlegume Food Crop Production,” IN Soil-Related Constraints to Food Production in the Tropics, pp. 299-318, International Rice Research Institute, Los Baños, Laguna, Philippines.

B-17 Tejeda, H.R., E.T. Craswell and S.K. De Datta. 1980. “Efficiency of Nitrogen Fertilizers on Rice in INSFFER Experiments as Affected by Site Characteristics,” Agronomy Abstracts, 44.

B-18 Vlek, P.L.G., J.M. Stumpe and B.H. Byrnes. 1980. “Urease Activity and Inhibition in Flooded Soil Systems,” Fertilizer Research, 1(3):191-202.

B-19 Vlek, P.L.G., B.H. Byrnes and E.T. Craswell. 1980. “Effect of Urea Placement on Leaching

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Losses of Nitrogen From Flooded Rice Soils,” Plant and Soil, 54:441-449.

B-20 Craswell, E.T., J.R. Freney, O.T. Denmead and I. Watanabe. 1981. “Ammonia and Nitrous Oxide Losses Following Applications of Ammonium Sulphate to Flooded Rice,” Australian Journal of Agricultural Research, 32:37-45.

B-21 Bouwmeester, R.J.B. and P.L.G. Vlek. 1981. “Rate Control of Ammonia Volatilization From Rice Paddies,” Atmospheric Environment, 15:131-140.

B-22 Bouwmeester, R.J.B. and P.L.G. Vlek. 1981. “Wind-Tunnel Simulation and Assessment of Ammonia Volatilization From Ponded Water,” Agronomy Journal, 73:546-552.

B-23 Vlek, P.L.G. and E.T. Craswell. 1981. “Ammonia Volatilization From Flooded Soils,” Fertilizer Research, 2(4):227-245.

B-24 Craswell, E.T., S.K. De Datta, W.N. Obcemea and M. Hartantyo. 1981. “Time and Mode of Nitrogen Fertilizer Application to Tropical Wetland Rice,” Fertilizer Research, 2:247-259.

B-25 Buresh, R.J., E.R. Austin and E.T. Craswell. 1982. “Analytical Methods in 15N Research,” Fertilizer Research, 3:37-62.

B-26 Moeller, M.B. and P.L.G. Vlek. 1982. “Chemical Dynamics of Ammonia Volatilization From Aqueous Solution,” Atmospheric Environment, 16(4):709-717.

B-27 Murray, T.P., E.R. Austin, R.G. Howard and R.C. Horn. 1982. “Simultaneous Determination of Biuret, Triuret, and Methylenediurea in Urea by Reversed-Phase Liquid Chromatography,” -Analytical Chemistry, 54:1504-1507.

B-28 Fillery, I.R.P. and P.L.G. Vlek. 1982. “The Significance of Denitrification of Applied Nitrogen in Fallow and Cropped Rice Soils Under Different Flooding Regimes I. Greenhouse Experiments,” Plant and Soil, 65:153-169.

B-29 Savant, N.K., S.K. De Datta and E.T. Craswell. 1982. “Distribution Patterns of Ammonium Nitrogen and 15N Uptake by Rice After Deep Placement of Urea Supergranules in Wetland Soil,” Soil Science Society of America Journal, 46:567-573.

B-30 Byrnes, B.H., N.K. Savant and E.T. Craswell. 1983. “Effect of a Urease Inhibitor, Phenylphos-phorodiamidate, on the Efficiency of Urea

Applied to Rice,” Soil Science Society of America Journal, 47:270-274.

B-31 Moraghan, J.T., T.J. Rego, K.L. Sahrawat and J.R. Burford. 1983. “Effects of Water Pretreatment on Total Nitrogen Analysis of Soils by the Kjeldahl Method,” Soil Science Society of America Journal, 47:213-217.

B-32 Osiname, O., H. Van Gijn and P.L.G. Vlek. 1983. “The Effect of Nitrification Inhibitors on the Fate and Efficiency of Nitrogenous Fertilizers Under Simulated Humid Tropical Conditions,” Tropical Agriculture, 60(3):211-217.

B-33 Savant, N.K., J.R. Clemmons and A.F. James. 1982. “A Technique for Predicting Urea Release From Coated Urea in Wetland Soil,” Communications in Soil Science and Plant Analysis, 13(9):793-802.

B-34 Craswell, E.T. and P.L.G. Vlek. 1982. “Nitrogen Management for Submerged Rice Soils,” IN Symposium on Submerged Rice Soils and Their Management, 12th International Congress of Soil Science, New Delhi, 3:158-181.

B-35 Youngdahl, L.J., R. Pacheco, J.J. Street and P.L.G. Vlek. 1982. “The Kinetics of Ammonium and Nitrate Uptake by Young Rice Plants,” Plant and Soil, 69:225-232.

B-36 Watanabe, I., E.T. Craswell and A.A. App. 1980. “Nitrogen Cycling in Wetland Rice Soils in East and South-East Asia,” IN Nitrogen Cycling in South-East Asian Ecosystems, pp. 4-17, R. Wetselaar et al. (Eds.), Australian Academy of Sciences, Canberra.

B-37 De Datta, S.K., P.J. Stangel and E.T. Craswell. 1981. “Evaluation of Nitrogen Fertility and Increasing Fertilizer Efficiency in Wetland Rice Soils,” IN Symposium on Paddy Soils, pp. 171-206, Academia Sinica, Nanjing.

B-38 De Datta, S.K. and E.T. Craswell. 1980. “Nitrogen Fertility and Fertilizer Management,” IN Rice Research Strategies for the Future, pp. 283-316, IRRI, Los Baños, Philippines.

B-39 Vlek, P.L.G. and M.F. Carter. 1983. “Effect of Soil Environment and Fertilizer Modifications on the Rate of Urea Hydrolysis,” Soil Science, 136(1):56-63.

B-40 Savant, N.K., A.F. James and G.H. McClellan. 1983. “Urea Release From Silicate- and Polymer-Coated Urea in Water and a Simulated Wetland Soil,” Fertilizer Research, 4:191-199.

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B-41 Lupin, M.S. and G.E. Peters. 1984. “Thermal Decomposition of Aluminum, Iron, Manganese Complexes of Urea,” IN Thermochimica Acta, 73:79-87.

B-42 Buresh, R.J., P.L.G. Vlek and J.M. Stumpe. 1984. “Labeled Nitrogen Fertilizer Research With Urea in the Semi-Arid Tropics, I. Greenhouse Studies,” Plant and Soil, 80:3-19.

B-43 Moraghan, J.T., et al. 1984. “Labeled Nitrogen Fertilizer Research With Urea in the Semi-Arid Tropics, II. Field Studies on a Vertisol,” Plant and Soil, 80:21-33.

B-44 Craswell, E.T., et al. 1984. “Fate and Efficiency of Nitrogen Fertilizers Applied to Wetland Rice in the Philippines,” Fertilizer Research, 6(1):49-63.

B-45 Stumpe, J.M., P.L.G. Vlek and W.L. Lindsay. 1984. “Ammonia Volatilization From Urea and Urea Phosphates in Calcareous Soils,” Soil Science Society of America Journal, 48:921-927.

B-46 Fillery, I.R.P., J.R. Simpson and S.K. De Datta. 1984. “Influence of Field Environment and Fertilizer Management on Ammonia Loss From Flooded Rice,” Soil Science Society of America Journal, 48(4):914-920.

B-47 Chang, T.C. and N.K. Savant. 1982. “Preparation and Laboratory Evaluation of Combination Nitrogen Fertilizers Containing Urea and Slowly Available Nitrogen (SAN) Compounds for Rice,” IN Memoirs of the College of Agriculture, National Taiwan University, 22(2):92-105.

B-48 Savant, N.K., E.T. Craswell and R.B. Diamond. 1983. “Use of Urea Supergranules for Wetland Rice: A Review,” Fertiliser News, 28(8):27-35.

B-49 O’Brien, D.T., M. Sudjadi and J. Prawirasumantri. 1983. “Farm Level Evaluation of Alternative Forms of Urea and Methods of Application for Rice Production in Java, Indonesia,” IN Pemberitaan Penelitian Tanah Dan Pupuk, No. 2, pp. 39-48.

B-50 Savant, N.K. and S.K. De Datta. 1982. “Nitrogen Transformations in Wetland Rice Soils,” Advances in Agronomy, Vol. 35, pp. 241-302.

B-51 Austin, E.R., T.M. Bradford and M.S. Lupin. 1984. “HPLC and Hydrolysis Studies of Phenyl Phosphorodiamidate,” Journal of Agricultural and Food Chemistry, 32(5):1090-1095.

B-52 Moraghan, J.T., T.J. Rego and R.J. Buresh. 1984. “Labeled Nitrogen Fertilizer Research

With Urea in the Semi-Arid Tropics. III. Field Studies on an Alfisol.” Plant and Soil, 82:193-203.

B-53 Vlek, P.L.G. and I.R.P. Fillery. 1984. Improving N Efficiency in Wetland Rice Soils, Proceedings No. 230, The Fertiliser Society, London, England, 32 p.

B-54 Stumpe, J.M., B. Christianson and R.J. Buresh. 1985. “An Aluminum Block Digestion Procedure for Determination of Total N in Soils Containing 15N,” Communications in Soil Science and Plant Analysis, 16(1):114.

B-55 Vlek, P.L.G., J.M. Stumpe and R.J.B. Bouwmeester. 1985. “Effect of Environmental Factors on Ammonia Volatilization From a Urea-Fertilized Soil,” Soil Science Society of America Journal, 49(2):376-381.

B-56 Godwin, D. and P.L.G. Vlek. 1985. “Simulation of Nitrogen Dynamics in Wheat Cropping Systems,” IN Wheat Growth and Modeling, pp. 309-330.

B-57 Fillery, I.R.P., J.R. Simpson and S.K. De Datta. 1986. “Contribution of Ammonia Volatilization to Total Nitrogen Loss After Applications of Urea to Wetland Rice Fields,” Fertilizer Research, 8:193-202.

B-58 Craswell, E.T., B.H. Byrnes, L.S. Holt, E.R. Austin, I.R.P. Fillery and W.M. Strong. 1985. “Nitrogen-15 Determination of Nonrandomly Distributed Dinitrogen in Air,” Soil Science Society of America Journal, 49(3):664-668.

B-59 Stangel, P.J. “World Nitrogen Situation–Trends, Outlook, and Requirements,” IN Nitrogen in Crop Production, pp. 23-54, American Society of Agronomy, Madison, Wisconsin.

B-60 Mudahar, M.S. and T.P. Hignett. 1985. “Energy Efficiency in Nitrogen Fertilizer Production,” Energy in Agriculture, 4:159-177.

B-61 Murray, T.P., E.R. Austin, R.G. Howard and T.J. Bradford. 1985. “Reactions of Molten Urea With Formaldehyde,” I&EC Product Research & Development, 24:420-425.

B-62 Martinez, A. and R.B. Diamond. 1984. “Nitrogen Use in World Crop Production,” IN Nitrogen in Crop Production, pp. 3-21, American Society of Agronomy, Madison, Wisconsin.

B-63 Mudahar, M.S. and T.P. Hignett. 1983. “Optimizing Energy Efficiency for Nitrogen

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Fertiliser Production,” IN Seminar on Systems Approach to Fertilizer Industry, Fertiliser Association of India, New Delhi, India.

B-64 Bhuiyan, N.I., E.T. Craswell and D.R. Bouldin. 1984. “Yield and Crop Parameters of Wetland Rice as Influenced by Soil and Fertilizer Nitrogen,” Plant and Soil, 79:369-381.

B-65 Cao, Zhi-Hong, S.K. De Datta and I.R.P. Fillery. 1984. “Nitrogen-15 Balance and Residual Effects of Urea-N in Wetland Rice Fields as Affected by Deep Placement Techniques,” Soil Science Society of America Journal, 48(1):203-208.

B-66 Cao, Zhi-Hong, S.K. De Datta and I.R.P. Fillery. 1984. “Effect of Placement Methods on Floodwater Properties and Recovery of Applied Nitrogen (15N-Labeled Urea) in Wetland Rice,” Soil Science Society of America Journal, 48(1):196-203.

B-67 Stumpe, J.M. and M.A.S. Abdel Monem. 1986. “Greenhouse Evaluation of Effect of Topsoil Moisture and Simulated Rainfall on the Volatilization of Nitrogen From Surface-Applied Urea, Diammonium Phosphate, and Potassium Nitrate,” Fertilizer Research, 9:229-239.

B-68 Vlek, P.L.G. and B.H. Byrnes. 1986. “The Efficacy and Loss of Fertilizer N in Lowland Rice,” Fertilizer Research, 9:131-147.

B-69 Fillery, I.R.P. and P.L.G. Vlek. 1986. “Reappraisal of Significance of Ammonia Volatilization as an N Loss Mechanism in Flooded Rice Fields,” Fertilizer Research, 9:79-98.

B-70 Savant, N.K. and A.F. James. 1985. “Urea Release From Osmocote Fertilizers in Water and Simulated Wetland Rice Soil,” Communications in Soil Science and Plant Analysis, 16(10):1071-1078.

B-71 Savant, N.K., A.F. James and G.H. McClellan. 1985. “Effect of Soil Submergence on Urea Hydrolysis,” Soil Science, 140(2):81-88.

B-72 Fillery, I.R.P., S.K. De Datta and E.T. Craswell. 1986. “Effect of Phenyl Phosphorodiamidate on the Fate of Urea Applied to Wetland Rice Fields,” Fertilizer Research, 9:251-263.

B-73 Fillery, I.R.P. and S.K. De Datta. 1986. “Ammonia Volatilization From Nitrogen Sources Applied to Rice Fields: I. Methodology, Ammonia Fluxes, and Nitrogen-15 Loss,” Soil Science Society of America Journal, 50:80-91.

B-74 Murray, T.P., E.R. Austin, R.G. Howard and G.T. Jones. 1985. “Synthesis of 15N-Labelled Urea and Methylenediurea,” Journal of Labelled Compounds and Radio-pharmaceuticals, 22(12):1251-1259.

B-75 Carter, M.F., P.L.G. Vlek and J.T. Touchton. 1986. “Agronomic Evaluation of New Ureaforms for Flooded Rice,” Soil Science Society of America Journal, 50(4):1055-1060.

B-76 Singh, B., J.C. Katyal, P.K. Malhotra and P.L.G. Vlek. 1986. “Path Coefficient Analysis of N Nutrition on Yield and Yield Components for Rice in a Highly Percolating Soil,” Communications in Soil Science and Plant Analysis, 17(8):853-867.

B-77 Van der Heide, J.A., C.B.M. van der Kruijs, B.T. Kang and P.L.G. Vlek. 1985. “Nitrogen Management in Multiple Cropping Systems,” IN Nitrogen Management in Farming Systems in Humid and Subhumid Tropics Symposium Proceedings, pp. 291-306, Institute for Soil Fertility and International Institute of Tropical Agriculture.

B-78 Diamond, R.B. 1985. “Status of N Deep Placement Research in Asia,” IN Fertilizer Nitrogen Deep Placement for Rice, Proceedings of the Technical Session, pp. 3-26, Bangladesh Agricultural Research Council, Dhaka, Bangladesh.

B-79 Diamond, R.B. 1985. “An Overview of Agronomic Results From N Deep Placement Research in Bangladesh,” IN Fertilizer Nitrogen Deep Placement for Rice, Proceedings of the Technical Session, pp. 101-121, Bangladesh Agricultural Research Council, Dhaka, Bangladesh.

B-80 Diamond, R.B. 1985. “Potential for Producing Large Particles of Urea,” IN Fertilizer Nitrogen Deep Placement for Rice, Proceedings of the Technical Session, pp. 181-222, Bangladesh Agricultural Research Council, Dhaka, Bangladesh.

B-81 Katyal, J.C., B. Singh, P.L.G. Vlek and R.J. Buresh. 1987. “Efficient Nitrogen Use as Affected by Urea Application and Irrigation Sequence,” Soil Science Society of America Journal, 51(2):366-370.

B-82 Savant, N.K. and G.H. McClellan. 1987. “Do Iron Oxide Systems Influence Soil Properties and Nitrogen Transformations in Soil Under Wetland Rice-Based Cropping Systems?”

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Communications in Soil Science and Plant Analysis, 18(1):83-113.

B-83 Buresh, R.J. 1987. “Ammonia Volatilization From Point-Placed Urea in Upland, Sandy Soils,” Fertilizer Research, 12:263-268.

B-84 Buresh, R.J. 1987. “Relative Susceptibility of Conventional Experimental Nitrogen Sources to Ammonia Loss From Flooded Rice Fields,” Fertilizer Research, 13:139-153.

B-85 Savant, N.K., A.F. James and G.H. McClellan. 1987. “Effect of Soil Bulk Density on Hydrolysis of Surface-Applied Urea in Unsaturated Soils,” Fertilizer Research, 11:221-229.

B-86 Savant, N.K., A.F. James and G.H. McClellan. 1987. “Effect of Amounts and Sequence of Additions of Urea and Water on Hydrolysis of Surface-Applied Granular Urea in Unsaturated Soils,” Fertilizer Research, 11:231-243.

B-87 Austin, E.R. 1987. “Determination of the Combined 15N Content of Dinitrogen and Nitrous Oxide in Air,” Soil Science Society of America Journal, 51(5):1344-1350.

B-88 Thompson, M.K. 1987. “Rice Farmers Use Urea Supergranules,” Farm Chemicals International, I(3):52A-52B.

B-89 Youngdahl, L.J., M.S. Lupin and E.T. Craswell. 1986. “New Developments in Nitrogen Fertilizers for Rice,” Fertilizer Research, 9:149-160.

B-90 Craswell, E.T. and D.C. Godwin. 1984. “The Efficiency of Nitrogen Fertilizers Applied to Cereals in Different Climates,” Advances in Plant Nutrition, Vol. 1, Praeger Publishers, New York, New York.

B-91 Godwin, D.C., C.A. Jones, J.T. Ritchie, P.L.G. Vlek and L.J. Youngdahl. 1984. “The Water and Nitrogen Components of the CERES Models,” IN Proceedings of the International Symposium on Minimum Data Sets for Agrotechnology Transfer, IBSNAT/ICRISAT Symposium, Hyderabad, India.

B-92 Katyal, J.C., Bijay Singh, P.L.G. Vlek and E.T. Craswell. 1985. “Fate and Efficiency of Nitrogen Fertilizers Applied to Wetland Rice. II. Punjab, India,” Fertilizer Research, 6(3):279-290.

B-93 Craswell, E.T. and P.L.G. Vlek. 1983. “Fate of Fertilizer Nitrogen Applied to Wetland Rice,” IN Gaseous Loss of Nitrogen From Plant Soil Systems, J.R. Freney and J. Simpson (Eds.),

Martinus Nijhoff Publishers, The Hague, The Netherlands.

B-94 Savant, N.K. and P.J. Stangel. 1986. “Improved Technology of Hand Deep Placement of Urea Supergranules for Small Rice Farmers,” Growth and Modernisation of Fertiliser Industry, Proceedings, pp. PS II/2–1-PS II/2-6, Fertiliser Association of India, New Delhi, India.

B-95 Katyal, J.C., Bijay Singh, V.K. Sharma and E.T. Craswell. 1985. “Efficiency of Some Modified Urea Fertilizers for Wetland Rice Grown on a Permeable Soil,” Fertilizer Research, 8:137-146.

B-96 Savant, N.K., A.F. James, G.E. Peters and R. Medina. 1988. “Evaluation of Phenoxyamino-cyclotriphosphazatrienes as Sustained-Action Soil Urease Inhibitors,” Journal of Agricultural and Food Chemistry, 36(2):390-392.

B-97 Peters, G.E., R.J. Radel and R. Medina. 1988. “Synthesis of Phenoxyaminocyclotriphosphaza-trienes,” Journal of Agricultural and Food -Chemistry, 36(2):384-390.

B-98 Katyal, J.C., B. Singh and P.L.G. Vlek. 1988. “Effect of Granule Size and Placement Geometry on Efficiency of Urea Supergranules for Wetland Rice Grown on a Permeable Soil,” Fertilizer Research, 15:193-201.

B-99 Buresh, R.J. and E.R. Austin. 1988. “Direct Measurement of Dinitrogen and Nitrous Oxide Flux in Flooded Rice Fields,” Soil Science Society of America Journal, 52(3):681-687.

B-100 Buresh, R.J., S.K. De Datta, J.L. Padilla and M.I. Samson. 1988. “Effect of Two Urease-Inhibitors on Floodwater Ammonia Following Urea Application to Lowland Rice,” Soil Science Society of America Journal, 52(3):856-861.

B-101 Snitwongse, P., A. Satrusajang and R.J. Buresh. 1988. “Fate of Nitrogen Fertilizer Applied to Lowland Rice on a Sulfic Tropaquept,” Fertilizer Research, 16:227-240.

B-102 Buresh, R.J., S.K. De Datta, J.L. Padilla and M.I. Samson. 1988. “Field Evaluation of Two Urease Inhibitors With Transplanted Lowland Rice,” Agronomy Journal, 80(5):763-768.

B-103 Christianson, C.B., M.F. Carter and L.S. Holt. 1988. “Mineralization and Nitrification of Ureaform Fertilizers,” Fertilizer Research, 17:85-95.

B-104 Holt, L.S., C.B. Christianson, E.R. Austin and J.C. Katyal. 1988. “A Laboratory Technique for

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Releasing and Measuring Denitrification Products Trapped in Soil,” Soil Science Society of America Journal, 52(5):1510-1511.

B-105 Katyal, J.C., M.F. Carter and P.L.G. Vlek. 1988. “Nitrification Activity in Submerged Soils and Its Relation to Denitrification Loss,” Biology and Fertility of Soils, 7:16-22.

B-106 Buresh, R.J., S.K. De Datta, J.L. Padilla and T.T. Chua. 1988. “Potential of Inhibitors for Increasing Response of Lowland Rice to Urea Fertilization,” Agronomy Journal, 80(6):947-952.

B-107 Christianson, C.B. 1988. “Factors Affecting N -Release of Urea From Reactive Layer Coated Urea,” Fertilizer Research, 16:273-284.

B-108 De Datta, S.K., R.J. Buresh, M.I. Samson and Wang Kai-Rong. 1988. “Nitrogen Use Efficiency and Nitrogen-15 Balances in Broadcast-Seeded Flooded and Transplanted Rice,” Soil Science Society of America Journal, 52(3):849-855.

B-108a Diamond, Ray B., J. Sri Adiningsih and M. Sudjadi. 1988. “Agro-Economic Analysis of N Management for Rice in Ngawi Pilot Area, East Java,” Prosiding, Lokakarya Efisiensi Pengguaan Pupuk, August 6-7, 1986, pp. 207-227.

B-108b Lazo de la Vega, Jose Ramon, Encu Sumamrta and S. Moersidi. 1988. “Production of Urea Super Granules Status Report,” Prosiding, Lokakarya Nasional Efisiensi Pupuk, November 16-17, 1987, pp. 61-86.

B-109 Byrnes, B.H. and A. Amberger. 1989. “Fate of Broadcast Urea in a Flooded Soil When Treated With NBPT, A Urease Inhibitor,” Fertilizer Research, 18:221-231.

B-110 Buresh, R.J., T. Woodhead, K.D. Shepherd, E. Flordelis and R.C. Cabangon. 1989. “Nitrate Accumulation and Loss in a Mungbean/Lowland Rice Cropping System,” Soil Science Society of America Journal, 53(2):477-482.

B-111 Katyal, J.C., L. Holt and A.E.N. Gadalla. 1989. “A Method to Determine Soil-Entrapped Denitrification Products in Submerged Soils,” Soil Science Society of America Journal, 53(1):296-297.

B-112 Byrnes, B.H., K. Vilsmeier, E.R. Austin and A. Amberger. 1989. “Degradation of the Urease Inhibitor Phenyl Phosphorodiamidate in Solutions and Floodwaters,” Journal of Agricultural and Food Chemistry, 37:473-477.

B-113 Savant, N.K. and O.W. Livingston. 1988. “Urea Supergranules: An Appropriate Urea Fertiliser for Small Rice Farmers of Developing Countries,” Fertiliser News, 33(10):33-37.

B-114 Savant, N.K. 1988. “Dispenser Method for Using Urea Supergranules in Transplanted Rice,” International Rice Research Newsletter, 13(4):44-45.

B-115 Savant, N.K., A.F. James and G.H. McClellan. 1988. “Effect of Soil Bulk Density on Inhibition of Hydrolysis of Surface-Applied Granular Urea-Containing Phenyl Phosphorodiamidate in Unsaturated Soil,” Communications in Soil Science and Plant Analysis, 19(2):193-204.

B-117 Stumpe, J.M., P.L.G. Vlek, S.K. Mughogho and F. Ganry. 1989. “Microplot Size Requirements for Measuring Balances of Fertilizer Nitrogen-15 Applied to Maize,” Soil Science Society of America Journal, 53(3):797-799.

B-118 Katyal, J.C. and M.F. Carter. 1989. “Effect of Airflow Rate, Leaching, and Presubmergence on Ammonia Volatilization and Apparent Denitrification Loss of N From Submerged Soil,” Soil Science, 147(2):116-125.

B-119 Baethgen, W.E. and M.M. Alley. 1989. “Optimizing Soil and Fertilizer Nitrogen Use by Intensively Managed Winter Wheat. I. Crop Nitrogen Uptake,” Agronomy Journal, 81(1):116-120.

B-120 Baethgen, W.E. and M.M. Alley. 1989. “Optimizing Soil and Fertilizer Nitrogen Use by Intensively Managed Winter Wheat. II. Critical Levels and Optimum Rates of Nitrogen Fertilizer,” Agronomy Journal, 81:120-125.

B-121 Baethgen, W.E. and M.M. Alley. 1987. “Nonexchangeable Ammonium Nitrogen Contribution to Plant Available Nitrogen,” Soil Science Society of America Journal, 51(1):110-115.

B-122 Byrnes, B.H., R. Gutser and A. Amberger. 1989. “Greenhouse Study on the Effects of the Urease Inhibitors Phenyl Phosphorodiamidate and N-(n-butyl) Thiophosphoric Triamide on Urea Applied to Flooded Rice,” Zeitschrift für Pflanzenenährung und Bodenkunde, 152:67-72.

B-123 Christianson, C.B. and L.S. Holt. 1989. “A Rapid Digestion Procedure for the Determination of Total N and 15N Content in Soils,” Soil Science Society of America Journal, 53(6):1917-1919.

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B-124 De Datta, S.K. and R.J. Buresh. 1989. “Integrated Nitrogen Management in Irrigated Rice,” Advances in Soil Science, 10:143-169.

B-126 Schultz, J.J. 1988. “Experience With Using Urea in the Production of Granular Compound (NPK) Fertilisers,” International Symposium on Urea Technology and Utilisation, Proceedings, pp. 295-310, Malaysian Society of Soil Science, Kuala Lumpur, Malaysia.

B-127 Adiningsih S., J. Sri M. Sudjadi and R.B. Diamond. 1988. “Comparison of Deep Placement Urea Supergranules and Broadcast Urea on the Yield of Rice on Vertisols of Indonesia,” International Symposium on Urea Technology and Utilisation, Proceedings, pp. 201-216, Malaysian Society of Soil Science, Kuala Lumpur, Malaysia.

B-128 Christianson, C.B. 1989. “Ammonia Volatilization From Urea Nitricphosphate and Urea Applied to the Soil Surface,” Fertilizer Research, 19:183-189.

B-129 Katyal, J.C., and A.M. Gadalla. 1990. “Fate of Urea-N in Floodwater. I. Relation With Total N Loss,” Plant and Soil, 121:21-30.

B-130 Katyal, J.C., and A.M. Gadalla. 1990. “Fate of Urea-N in Floodwater. II. Influence on N Use Efficiency and Grain Yield Response of Rice,” Plant and Soil, 121:31-39.

B-131 Buresh, R.J. and S.K. De Datta. 1990. “Denitrification Losses From Puddled Rice Soils in the Tropics,” Biology and Fertility of Soils, 9:1-13.

B-132 Bationo, A., C.B. Christianson and W. Baethgen. 1990. “Plant Density and Nitrogen Fertilizer Effects on Pearl Millet Production in Niger,” Agronomy Journal, 82(2):290-295.

B-133 John, P.S., R.J. Buresh, R. Prasad and R.K. Pandey. 1989. “Nitrogen Gas (N2 + N2O), Flux From Urea Applied to Lowland Rice as Affected by Green Manure,” Plant and Soil, 119:7-13.

B-134 Mughogho, S.K., C.B. Christianson, J.M. Stumpe and P.L.G. Vlek. 1990. “Nitrogen Efficiency at Three Sites in Nigeria as Affected by N Source and Management,” Tropical Agriculture (Trinidad), 67(2):127-132.

B-135 Baethgen, W.E. and M.M. Alley. 1989. “A Manual Colorimetric Procedure for Measuring Ammonium Nitrogen in Soil and Plant Kjeldahl Digests,” Communications in Soil Science and Plant Analysis, 20(9 and 10):961-969.

B-136 Savant, N.K. 1987. “An Appropriate Device for Efficient Use of Urea by Small Rice Farmers,” Appropriate Technology, 14(1):22-24.

B-137 Dhane, S.S., R.R. Khadse, V.H. Patil and N.K. Savant. 1989. “Effect of Deep-Placed Urea Supergranules With Limited Green Manure on Transplanted Rice Yield,” International Rice Research Newsletter, 14(4):31-32.

B-138 Calabio, J.C., F.V. Garcia, S.K. De Datta, E.T. Craswell and I.R.P. Fillery. 1980. “Alternative Strategies for Increasing Nitrogen Fertilizer Efficiency in Wetland Rice Soils,” Philippine Journal of Crop Science, 5(4):144-149.

B-139 De Datta, S.K., I.R.P. Fillery and E.T. Craswell. 1983. “Results From Recent Studies on Nitrogen Fertilizer Efficiency in Wetland Rice,” Outlook on Agriculture, 12(3):125-133.

B-140 John, P.S., R.J. Buresh, R.K. Pandey, R. Prasad and T.T. Chua. 1989. “Nitrogen-15 Balances for Urea and Neem-Coated Urea Applied to Lowland Rice Following Two Cowpea Cropping Systems,” Plant and Soil, 120:233-241.

B-141 Buresh, R.J., P.L.G. Vlek and K. Harmsen. 1990. “Fate of Fertilizer Nitrogen Applied to Wheat Under Simulated Mediterranean Environmental Conditions,” Fertilizer Research, 23:25-36.

B-142 Christianson, C.B., A. Bationo, J. Henao and P.L.G. Vlek. 1990. “Fate and Efficiency of N Fertilizers Applied to Pearl Millet in Niger,” Plant and Soil, 125:221-231.

B-144 Radel, R.J., J. Gautney and G.E. Peters. 1988. “Urease Inhibitor Developments,” IN Ammonia Volatilization from Urea Fertilizers, B. Bock and D. Kissel (Eds.), Bulletin Y-206, Tennessee Valley Authority, Muscle Shoals, Alabama, pp. 111-136.

B-145 De Datta, S.K., R.J. Buresh, W.N. Obcemea and E.G. Castillo. 1990. “Nitrogen-15 Balances and Nitrogen Fertilizer Use Efficiency in Upland Rice,” Fertilizer Research, 26:179-187.

B-146 Stangel, P.J. 1989. “Urea Supergranules for Transplanted Rice: IFDC Research Review,” Soil Fertility and Fertiliser Use, Vol. III, Indian Farmers Fertiliser Cooperative Limited, New Delhi, India.

B-148 John, P.S., R.K. Pandey, R.J. Buresh and R. Prasad 1989. “Lowland Rice Response to Urea Following Three Cowpea Cropping Systems,” Agronomy Journal, 81(6):853-857.

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B-149 Rutland, D.W. and J.R. Polo. 1990. “Urea in NPK Fertilizers: How Much Can You Use?” Phosphorus & Potassium, 166 (March-April):25-32.

B-150 Satrusajang, Amphai, Patoom Snitwongse and R.J. Buresh. 1988. “Loss of Nitrogen Fertilizer Applied to Lowland Rice on an Acid Sulfate Soil,” Proceedings of the International Symposium on Paddy Soil Fertility, pp. 571-585, Chiangnai, Thailand.

B-151 Byrnes, B.H. 1990. “Environmental Effects of N Fertilizer Use–An Overview,” Fertilizer Research, 26:209-215.

B-152 Carmona, G., C.B. Christianson and B.H. Byrnes. 1990. “Temperature and Low Concentration Effect of the Urease Inhibitor N-(n-Butyl)Thiophosphoric Triamide (n-BTPT) on Ammonia Volatilization From Urea,” Soil Biology and Biochemistry, 22(7):933-937.

B-153 Savant, N.K. and S.H. Chien. 1990. “Greenhouse Evaluation of Urea Supergranules (USG) Containing Diammonium Phosphate (DAP) for Transplanted Rice,” International Rice Research Newsletter, 15(3):23.

B-154 Ssali, H. 1990. “Initial and Residual Effects of Nitrogen Fertilizers on Grain Yield of a Maize/Bean Intercrop Grown on a Humic Nitosol and the Fate and Efficiency of the Applied Nitrogen,” Fertilizer Research, 23:63-72.

B-155 Phongpan, Sakorn and B.H. Byrnes. 1990. “The Effect of the Urease Inhibitor N-(n-butyl) Thio-phosphoric Triamide on the Efficiency of Urea Application in a Flooded Rice Field Trial in Thailand,” Fertilizer Research, 25:145-151.

B-156 Byrnes, B.H., C.B. Christianson, L.S. Holt and E.R. Austin. 1990. “Nitrous Oxide Emissions From the Nitrification of Nitrogen Fertilizers,” IN Soils and the Greenhouse Effect, pp. 489-495, A.F. Bouwman (Ed.), John Wiley & Sons Ltd.

B-157 Samson, M.I., R.J. Buresh and S.K. De Datta. 1990. “Evolution and Soil Entrapment of Nitrogen Gases Formed by Denitrification in Flooded Soils,” Soil Science and Plant Nutrition, 36(2):299–307.

B-157a Carmona, G., C.B. Christianson and B.H. Byrnes. 1990. “Temperature and Low Concentration Effects of the Urease Inhibitor (N-(n-Butyl) Thiophosphoric Triamide (nBTPT) on Ammonia Volatilization from Urea,” Soil Biology and Biochemistry, 22(7):933-937.

B-158 Christianson, C.B. and P.L.G. Vlek. 1991. “Alleviating Soil Fertility Constraints to Food Production in West Africa: Efficiency of Nitrogen Fertilizers Applied to Food Crops,” Fertilizer Research, 29:21-33.

B-159 Savant, N.K. and P.J. Stangel. 1990. “Deep Placement of Urea Supergranules in Transplanted Rice: Principles and Practices,” Fertilizer Research, 25(1):183. (Special Issue).

B-160 Stumpe, J.M. and P.L.G. Vlek. 1991. “Acidification Induced by Different Nitrogen Sources in Columns of Selected Tropical Soils,” Soil Science Society of America Journal, 55:145–151.

B-161 Satrusajang, A., P. Snitwongse, R.J. Buresh and D.K. Friesen. 1991. “Nitrogen-15 and Sulfur-35 Balances for Fertilizers Applied to Transplanted Rainfed Lowland Rice,” Fertilizer Research, 28:55-65.

B-162 Christianson, C.B., L.S. Holt and A. Pickens. 1991. “Use of a Peroxide Digestion Procedure for the Determination of the 15N Content of the Plant Tissue,” Communications in Soil Science and Plant Analysis, 22(3&4):299-303.

B-163 Buresh, R.J., S.K. De Datta, M.I. Samson, Sakorn Phongpan, Patoom Snitwongse, A.M. Fagi and R. Tejasarwana. 1991. “Dinitrogen and Nitrous Oxide Flux From Urea Basally Applied to Puddled Rice Soils,” Soil Science Society of America Journal, 55:268-273.

B-164 Savant, N.K., S.S. Dhane, S.C. Talashilkar and N.S. Patil. 1991. “Rainfed Rice Yield Response to Urea Supergranules Deep Placed During Line Transplanting,” Fertiliser News, 36(3):19-25.

B-165 De Datta, S.K., R.J. Buresh and C.P. Mamaril. 1990. “Increasing Nutrient Use Efficiency in Rice With Changing Needs,” Fertilizer Research, 26:157-167.

B-166 Padilla, J.L., R.J. Buresh, S.K. De Datta and E.U. Bautista. 1990. “Incorporation of Urea in Puddled Rice Soils as Affected by Tillage Implements,” Fertilizer Research, 26:169-178.

B-167 De Datta, S.K., R.J. Buresh, M.I. Samson, W.N. Obcemea and J.G. Real. 1991. “Direct Measurement of Ammonia and Denitrification Fluxes from Urea Applied to Rice,” Soil Science Society of America Journal, 55:543-548.

B-168 Buresh, R.J. and S.K. De Datta. 1991. “Nitrogen Dynamics and Management in Rice-Legume Cropping Systems,” Advances in Agronomy, 45:1-59.

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B-169 Savant, N.K., P.S. Ongkingco, I.V. Zarate, F.M. Torrizo and P.J. Stangel. 1991. “Urea Briquette Applicator for Transplanted Rice,” Fertilizer Research, 28:323-331.

B-170 Talashilkar, S.C. and N.K. Savant. 1991. “Response of Rice to Deep-Placed Urea Supergranules in Ultisols of Maharashtra, India,” IN Rice Production on Acid Soils of the Tropics, pp. 181-184, P. Deturck and F.N. Ponnamperuma (Eds.), Institute of Fundamental Studies, Kandy, Sri Lanka.

B-171 Godwin, D.C. and C. Allan Jones. 1991. “Nitrogen Dynamics in Soil-Plant Systems,” IN Modeling Plant and Soil Systems, Agronomy Monograph No. 31, ASA-CSSA-SSSA, Madison, Wisconsin.

B-172 Baethgen, W.E., D.B. Taylor and M.M. Alley. 1989. “Quadratic Programming Method for Determining Optimum Nitrogen Rates for Winter Wheat During Tillering,” Agronomy Journal, 81:557-559.

B-173 Bationo, A., C.B. Christianson, W.E. Baethgen and A.U. Mokwunye. 1992. “A Farm-Level Evaluation of Nitrogen and Phosphorus Fertilizer Use and Planting Density for Pearl Millet Production in Niger,” Fertilizer Research, 31:175-184.

B-174 Godwin, D.C. and U. Singh. 1991. “Modeling Nitrogen Dynamics in Rice Cropping Systems,” IN Rice Production on Acid Soils of the Tropics, pp. 287-294, P. Deturck and F.N. Ponnamperuma (Eds.), Institute of Fundamental Studies, Kandy, Sri Lanka.

B-175 Savant, N.K., P.S. Ongkingco, F.D. Garcia, S.S. Dhane, R.R. Khadse, S.A. Chavan and K.S. Rao. 1992. “Agronomic Performance of Urea Briquette Applicator in Transplanted Rice,” Fertilizer Research, 32:139-142.

B-176 George, T., J.K. Ladha, D.P. Garrity and R.J. Buresh. 1990. “Conservation and Use of Soil and Atmospheric Nitrogen Through Legumes in Lowland Rice-Based Cropping Systems,” IN Transactions, 14th International Congress of Soil Science, Volume III, Commission III, Kyoto, Japan, August 12-18, 1990.

B-177 Chang, T.C. and L.F. Youngdahl. 1990. “Rice Response to Combination Nitrogen Fertilizer Containing Urea and Slowly Available Nitrogen (SAN) Compounds,” IN Transactions, 14th International Congress of Soil Science, Volume

III, Commission III, Kyoto, Japan, August 12-18, 1990.

B-178 Godwin, D.C., U. Singh, R.J. Buresh and S.K. De Datta. 1990. “Modeling of Nitrogen Dynamics in Relation to Rice Growth and Yield,” IN Transactions, 14th International Congress of Soil Science, Volume III, Commission III, Kyoto, Japan, August 12-18, 1990.

B-179 John, P.S., R.K. Pandey, R.J. Buresh and R. Prasad. 1992. “Nitrogen Contribution of Cowpea Green Manure and Residue to Upland Rice,” Plant and Soil, 142:53-61.

B-180 Hong, C.W., J.C. Katyal and P.L.G. Vlek. 1992. “Losses and Utilization of Nitrogen by Sorghum as Affected by the Depth of a Swelling Clay Soil,” Journal of Agronomy & Crop Science, 168:263-271.

B-181 Buresh, R. and E.R. Austin. 1993. “Measuring 15N Content of Gases: Comparison of Direct and Arc-Redistribution Methods,” Soil Science Society of America Journal, 57(1):93–95.

B-182 Bowen, W.T., J.W. Jones, R.J. Carsky and J.O. Quintana. 1993. “Evaluation of the Nitrogen Submodel of CERES-Maize Following Legume Green Manure Incorporation,” Agronomy Journal, 85(1):153-159.

B-183 Chien, S.H., G. Carmona, R.G. Menon and D.T. Hellums. 1993. “Effect of Phosphate Rock Sources on Biological Nitrogen Fixation by Soybean,” Fertilizer Research, 34:153–159.

B-184 Buresh, R.J. and C.A. Baanante. 1993. “Potential Economic Benefits of Modifications to Urea that Increase Yield Through Reduction in Nitrogen Losses,” Agronomy Journal, 85(4):947-954.

B-185 Son, Tran Thuc and R.J. Buresh. 1993. “Incorporation of Urea for Transplanted Rice as Affected by Floodwater and Growing Season,” Fertilizer Research, 34:111-120.

B-186 Buresh, R.J., D.P. Garrity, E.G. Castillo and T.T. Chua. 1993. “Fallow and Sesbania Effects on Response of Transplanted Lowland Rice to Urea,” Agronomy Journal, 85(4):801-808.

B-187 Christianson, C.B., W.E. Baethgen, G. Carmona and R.G. Howard. 1993. “Microsite Reactions of Urea-nBTPT Fertilizer on the Soil Surface,” Soil Biology and Biochemistry, 25(8):1107-1117.

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B-188 Buresh, R.J., T.T. Chua, E.G. Castillo, S.P. Liboon and D.P. Garrity. 1993. “Fallow and Sesbania Effects on Soil Nitrogen Dynamics in Lowland Rice-Based Cropping Systems,” Agronomy Journal, 85(2):316-321.

B-189 Dhane, S.S., R.R. Khadse, V.H. Patil, R.G. Joshi and N.K. Savant. 1991. “Agroforestry Approach of Gliricidia Green Manuring Integrated With Use of Urea Supergranules for Transplanted Rice,” Oryza 28(3):333-338.

B-190 Stangel, P.J., N.K. Savant and B.H. Byrnes. 1993. “Potential of Modified Ureas for Rice,” IN New Frontiers in Rice Research, pp. 300-307, K. Muralidharan and E.A. Siddiq (Eds.), Directorate of Rice Research, Hyderabad, India.

B-191 Buresh, R.J., M.I. Samson and S.K. De Datta. 1993. “Quantification of Denitrification in Flooded Soil as Affected by Rice Establishment Method,” Soil Biology and Biochemistry, 25(7):843-848.

B-192 Phongpan, S. and B.H. Byrnes. 1993. “Effect of Methods of Application on the Efficiency of Urea Broadcast Onto Lowland Rice (Oryza sativa L.),” Biology and Fertility of Soils, 15:235-240.

B-193 George, T., J.K. Ladha, R.J. Buresh and D.P. Garrity. 1992. “Managing Native and Legume-Fixed Nitrogen in Lowland Rice-Based Cropping Systems,” Plant and Soil, 141:69-91.

B-194 Hafner, H., J. Bley, A. Bationo, P. Martin and H. Marschner. 1993. “Long-Term Nitrogen Balance for Pearl Millet (Pennisetum glaucum L.) in an Acid Sandy Soil of Niger,” Z. Pflanzenernähr. Bodenk., 156:169-176.

B-195 Hafner, H., B.J. Ndunguru, A. Bationo and H. Marschner. 1992. “Effect of Nitrogen, Phosphorus and Molybdenum Application on Growth and Symbiotic N2–Fixation of Groundnut in an Acid Sandy Soil in Niger,” Fertilizer Research, 31:69-77.

B-196 Thornton, P.K. and J.F. MacRobert. 1994. “The Value of Information Concerning Near-Optimal Nitrogen Fertilizer Scheduling,” Agricultural Systems, 45:315-330.

B-197 Buresh, R.J., E.G. Castillo and S.K. De Datta. 1993. “Nitrogen Losses in Puddled Soils as Affected by Timing of Water Deficit and Nitrogen Fertilization,” Plant and Soil, 157:197-206.

B-198 Christianson, C.B. and R.G. Howard. 1994. “Use of Soil Thin-Layer Chromatography to Assess the Mobility of the Phosphoric Triamide Urease Inhibitors and Urea in Soil,” Soil Biology and Biochemistry, 26(9):1161-1164.

B-199 Thornton, P.K. 1993. “Nitrogen Fertilizer and the Environment: The Role of Crop Modelling in Management and Impact Assessment,” IN Proceedings of the 43rd Annual Meeting Fertilizer Industry Round Table, pp. 150-157.

B-200 Watson, C.J., H. Miller, P. Poland, D.J. Kilpatrick, M.D.B. Allen, M.K. Garrett and C.B. Christianson. 1994. “Soil Properties and the Ability of the Urease Inhibitor N-(n-Butyl) Thiophosphoric Triamide (nBTPT) to Reduce Ammonia Volatilization From Surface-Applied Urea,” Soil Biology and Biochemistry, 26(9):1165-1171.

B-201 Watson, C.J., P. Poland, H. Miller, M.B.D. Allen, M.K. Garrett and C.B. Christianson. 1994. “Agronomic Assessment and 15N Recovery of Urea Amended With the Urease Inhibitor nBTPT (N-(n-Butyl) Thiophosphoric Triamide) for Temperate Grassland,” Plant and Soil, 161:167-177.

B-202 Bumb, B.L. 1995. “World Nitrogen Supply and Demand: An Overview,” IN Nitrogen Fertilization in the Environment, pp. 1-40, Marcel Dekker.

B-203 Christianson, C.B., G. Carmona, M.O. Klein and R.G. Howard. 1995. “Impact on Ammonia Volatilization Losses of Mixing KCl of High pH With Urea,” Fertilizer Research, 40:89-92.

B-204 Byrnes, B.H. and J.R. Freney. 1996. “Recent Developments on the Use of Urease Inhibitors in the Tropics,” Fertilizer Research, 42:251-259.

B-205 Tran Thuc Son and R.S. Buresh. 1994. “Urea Management for Lowland Transplanted Rice as Affected by Application of Farmyard Manure,” Fertilizer Research, 39:199-203.

B-206 Rhodes, E.R. 1995. “Nutrient Depletion by Food Crops in Ghana and Soil Organic Nitrogen Management,” Agricultural Systems, 48:101-118.

B-207 Baethgen, W.E., C.B. Christianson and A.G. Lamothe. 1995. “Nitrogen Fertilizer Effects on Growth, Grain Yield, and Yield Components of Malting Barley,” Field Crops Research, 43:87-99.

B-208 Bronson, K.F. and U. Singh. 1995. “Nitrous Oxide Emissions From Flooded Rice,” IN

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Climate Change and Rice, pp. 117–121, S. Peng et al. (Eds.), Springer-Verlag Berlin Heidelberg.

B-209 Godwin, D.C., W.S. Meyer and U. Singh. 1994. “Simulation of the Effect of Chilling Injury and Nitrogen Supply on Floret Fertility and Yield in Rice,” Australian Journal of Experimental Agriculture, 34:921-926.

B-210 Singh, U., K.G. Cassman, J.K. Ladha and K.F. Bronson. 1995. “Innovative Nitrogen Management Strategies for Lowland Rice Systems,” IN Fragile Lives in Fragile Ecosystems, pp. 229-254, Proceedings of IRRI Research Conference, February 13-17, 1995.

B-211 Bationo, A. and C.B. Christianson. 1991. “Use of 15N Labelled Fertilizers to Assess N Use Efficiency for Pearl Millet Production in Niger,” IN Proceedings of an International Symposium on the Use of Stable Isotopes in Plant Nutrition, Soil Fertility and Environmental Studies, pp. 419-420, (Poster Presentation). International Atomic Energy Agency (IAEA) and Food and Agriculture Organization of the United Nations (FAO), Vienna.

B-212 Polo, J. and G. Harris. 1996. “Regional Shifts in Nitrogen Fertilizer Production,” IN IFA 1996 Technical Conference, pp. 216-232, Johannesburg (Sandton), South Africa, September 30–October 4, 1996.

B-213 Bronson, K.F., H.-U. Neue, U. Singh and E.B. Abao, Jr. 1997. “Automated Chamber Measurements of Methane and Nitrous Oxide Flux in a Flooded Rice Soil: I. Residue, Nitrogen, and Water Management,” Soil Science Society of America Journal, 61:981-987.

B-214 Bronson, K.F., U. Singh, H.-U. Neue and E.B. Abao, Jr. 1997. “Automated Chamber Measurements of Methane and Nitrous Oxide Flux in a Flooded Rice Soil: II. Fallow Period Emissions,” Soil Science Society of America Journal, 61:988-993.

B-215 Gregory, D.I. 1997. “The Future of Ammonium Nitrate in North America and Abroad,” IN Proceedings of the 47th Annual Meeting Fertilizer Industry Round Table, pp. 33–48.

B-215a Ladha, Jagdish K., Agnes Tirol-Padre, Gloria C. Punzalan, E. Castillo, Upendra Singh and C. Kesava Reddy. 1998. “Nondestructive Estimation of Shoot Nitrogen in Different Rice Genotypes,” Agron J., 90:33-40.

B-216 Timsina, J., U. Singh, M. Badaruddin and C. Meisner. 1998. “Cultivar, Nitrogen, and

Moisture Effects on a Rice-Wheat Sequence: Experimentation and Simulation,” Agronomy Journal, 90:119-130.

B-217 Mohanty, S.K., U. Singh, V. Balasubramanian and K.P. Jha. 1999. “Nitrogen Deep-Placement Technologies for Productivity, Profitability and Environmental Quality of Rainfed Lowland Rice Systems,” Nutrient Cycling in Agroecosystems, 53:43-57.

B-218 Cassman, K.G., S. Peng, D.C. Olk, J.K. Ladha, W. Reichardt, A. Dobermann and U. Singh. 1998. “Opportunities for Increased Nitrogen-Use Efficiency From Improved Resource Management in Irrigated Rice Systems,” Field Crops Research, 56:7-39.

B-219 Ladha, J.K., G.J.D. Kirk, J. Bennett, S. Peng, C.K. Reddy, P.M. Reddy and U. Singh. 1998. “Opportunities for Increased Nitrogen-Use Efficiency From Improved Lowland Rice Germplasm,” Field Crops Research, 56:41-71.

B-220 Wade, L.J., T. George, J.K. Ladha, U. Singh, S.I. Bhuiyan and S. Pandey. 1998. “Opportunities to Manipulate Nutrient-by-Water Interactions in Rainfed Lowland Rice Systems,” Field Crops Research, 56:93-112.

B-221 Singh, U., J.K. Ladha, E.G. Castillo, G. Punzalan, A. Tirol-Padre and M. Duqueza. 1998. “Genotypic Variation in Nitrogen Use Efficiency in Medium- and Long-Duration Rice,” Field Crops Research, 58:35-53.

B-222 Godwin, D.C. and U. Singh. 1998. “Nitrogen Balance and Crop Response to Nitrogen in Upland and Lowland Cropping Systems,” IN Understanding Options for Agricultural Production, pp. 55-77, G.Y. Tsuji et al. (Eds.), Kluwer Academic Publishers.

B-223 Bowen, W.T. and W.E. Baethgen. 1998. “Simulation as a Tool for Improving Nitrogen Management,” IN Understanding Options for Agricultural Production, pp. 189-204, G.Y. Tsuji et al. (Eds.), Kluwer Academic Publishers.

B-224** Somda, Z.C., J.M. Powell and A. Bationo. 1997. “Soil pH and Nitrogen Changes Following Cattle and Sheep Urine Deposition,” Communications in Soil Science and Plant Analysis, 28:1253-1268.

B-225 Singh, U., S.K. Patil, R.O. Das, J.L. Padilla, V.P. Singh and A.R. Pal. 1999. “Nitrogen Dynamics and Crop Growth on an Alfisol and a Vertisol Under Rainfed Lowland Rice-Based

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Cropping System,” Field Crops Research, 61:237-252.

B-226 Ladha, J.K., D. Dawe, T.S. Ventura, U. Singh, W. Ventura and I. Watanabe. 2000. “Long-Term Effects of Urea and Green Manure on Rice Yields and Nitrogen Balance,” Soil Science Society of America Journal 64:1993-2001.

B-227** Bationo, A. and P.L.G. Vlek. 1998. “The Role of Nitrogen Fertilizers Applied to Food Crops in the Sudano-Sahelian Zone of West Africa,” IN Soil Fertility Management in West African Land Use Systems, pp. 41-51, G. Renard, A. Neef, K. Becker and M. von Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

B-229 Bowen, W., H. Cabrera, V. Barrera and G. Baigorria. 1999. “Simulating the Response of Potato to Applied Nitrogen,” CIP Program Report 1997-98, pp. 381-386, International Potato Center, Lima, Peru.

B-230 Islam, Md. Mofizul and R. Black. 1999. “Urea Briquette Deep Placement Advance—Higher Yields for Smaller Inputs,” ASIAFAB, Autumn, pp. 27-30.

B-231** Bagayoko, M., A. Buerkert, G. Lung, A. Bationo and V. Römheld. 2000. “Cereal/Legume Rotation Effects on Cereal Growth in Sudano-Sahelian West Africa: Soil Mineral Nitrogen, Mycorrhizae and Nematodes,” Plant and Soil, 218:103-116.

B-231a Abao, E.B., K.F. Bronson, R. Wassmann and U. Singh. 2000. “Simultaneous Records of Methane and Nitrous Oxide Emissions in Rice-Based Cropping Systems Under Rainfed Conditions,” Nutrient Cycling in Agroecosystems 58: 131-139.

B-232** Bationo, A. and B.R. Ntare. 2000. “Rotation and Nitrogen Fertilizer Effects on Pearl Millet, Cowpea and Groundnut Yield and Soil Chemical Properties in a Sandy Soil in the Semi-Arid Tropics, West Africa,” Journal of Agricultural Science, Cambridge, 134:277-284.

B-233 Singh, Upendra and Paul Wilkens. 1999. “Predicting the Effect of Nitrogen Deficiency on Crop Growth Duration and Yield,” IN Proceedings of the Fourth International Conference on Precision Agriculture, pp. 1379-1393.

B-234 Patil, S.K., U. Singh, V.P. Singh, V.N. Mishra, R.O. Das and J. Henao. 2001. “Nitrogen Dynamics and Crop Growth on an Alfisol and a Vertisol Under a Direct-Seeded Rainfed

Lowland Rice-Based System,” Field Crops Research, 70:185-199.

B-235 Timsina, J., U. Singh, M. Badaruddin, C. Meisner and M.R. Amin. 2001. “Cultivar, Nitrogen, and Water Effects on Productivity, and Nitrogen-Use Efficiency and Balance for Rice-Wheat Sequences of Bangladesh,” Field Crops Research, 72:143-161.

B-236 Singh, U., K.E. Giller, C.A. Palm, J.K. Ladha and H. Breman. 2001. “Synchronizing N Release From Organic Residues: Opportunities for Integrated Management of N,” IN Optimizing Nitrogen Management in Food and Energy Production and Environmental Protection, Proceedings of the 2nd International Nitrogen Conference on Science and Policy. TheScientificWorld 1(S2), 880-886.

B-236a Tuong, T.P., E.G. Castillo, R.C. Cabangon, A. Boling and U. Singh. 2002. “The Drought Response of Lowland Rice to Crop Establishment Practices and N-Fertilizer Sources,” Field Crops Research 74: 243-257.

B-237 Zougmoré, R., A. Mando, L. Stroosnijder and S. Guillobez. 2004. “Nitrogen Flows and Balances as Affected by Water and Nutrient Management in a Sorghum Cropping System of Semiarid Burkina Faso,” Field Crops Research, 90:235-244.

B-238** Segda, Z., S.M. Haefele, M.C.S. Wopereis, M.P. Sedogo and S. Guinko. 2004. “Agro-Economic Characterization of Rice Production in a Typical Irrigation Scheme in Burkina Faso,” Agronomy Journal, 96:1314-1322.

B-239 Zougmoré, R., A. Mando, L. Stroosnijder and E. Ouédraogo. 2004. “Economic Benefits of Combining Soil and Water Conservation Measures With Nutrient Management in Semiarid Burkina Faso,” Nutrient Cycling in Agroecosystems, 70:261-269.

B-240 Polo, J.R. and K. Oomen. 2005. “Nigeria’s Ammonia/Urea Plant,” FINDS, First Quarter 2005.

B-241 Diallo, A.O., J. Kikafunda, Legesse Wolde, O. Odongo, Z.O. Mduruma, W.S. Chivatsi, D.K. Friesen, S. Mugo and M. Bänziger. 2004. “Drought and Low Nitrogen Tolerant Hybrids for the Moist Mid-Altitude Ecology of Eastern Africa,” pp. 206-212, IN D.K. Friesen and A.F.E. Palmer (Eds.). Integrated Approaches to Higher Maize Productivity in the New Millennium: Proceedings of the Seventh Eastern and Southern Africa Regional Maize Conference,

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February 5-11, 2002, Nairobi, Kenya: CIMMYT (International Maize and Wheat Improvement Center) and KARI (Kenya Agricultural Research Institute).

B-242 Tesfa Bogale, R.H. Assenga, T.E. Mmbaga, D.K. Friesen, J. Kikafunda and J.K. Ransom. 2004. “Legume Fallows for Maize-Based Systems in Eastern Africa: Contribution of Legumes to Enhanced Maize Productivity and Reduced Nitrogen Requirements,” pp. 324-329, IN D.K. Friesen and A.F.E. Palmer (Eds.). Integrated Approaches to Higher Maize Productivity in the New Millennium: Proceedings of the Seventh Eastern and Southern Africa Regional Maize Conference, February 5-11, 2002, Nairobi, Kenya: CIMMYT (International Maize and Wheat Improvement Center) and KARI (Kenya Agricultural Research Institute).

B-243 Singh, Upendra. 2005. “Book Reviews/Nutrients on the Move: Soil Fertility Dynamics in African Farming Systems,” IN Thea Hillhorst, Fred Muchena (Eds.), Agricultural Systems, 85:202-207.

B-244 Bowen, W.T., R.B. Diamond, U. Singh and T.P. Thompson. 2005. “Urea Deep Placement Increases Yield and Saves Nitrogen Fertilizer in Farmers’ Fields in Bangladesh,” pp. 369-372, IN Toriyama, K., K.L. Heong and B. Hardy (Eds.), Rice is Life: Scientific Perspectives for the 21st Century. Proceedings of the World Rice Research Conference held in Tokyo and Tsukuba, Japan, November 4-7, 2004. Los Baños (Philippines): International Rice Research Institute, and Tsukuba (Japan): Japan International Research Center for Agricultural Sciences. CD.

B-245 Mando, A., B. Ouattara, A.E. Somado, M.C.S. Wopereis, L. Stroosnijder and H. Breman. 2005. “Long-Term Effects of Fallow, Tillage and Manure Application on Soil Organic Matter and Nitrogen Fractions and on Sorghum Yield Under Sudano-Sahelian Conditions,” Soil Use and Management, 21:25-31.

B-246 Wakene Negassa, Kefyalew Negisho, D.K. Friesen, J. Ransom and Abebe Yadessa. 2004. “Determination of Optimum Farmyard Manure and NP Fertilizers for Maize on Farmers’ Fields,” pp. 387-393, IN D.K. Friesen and A.F.E. Palmer (Eds.). Integrated Approaches to Higher Maize Productivity in the New Millennium: Proceedings of the Seventh Eastern and Southern Africa Regional Maize Conference, 5-11 February, 2002, Nairobi, Kenya: CIMMYT

(International Maize and Wheat Improvement Center) and KARI (Kenya Agricultural Research Institute).

B-247 Segda, Z., S.M. Haefele, M.C.S. Wopereis, M.P. Sedogo and S. Guinko. 2005. “Combining Field and Simulation Studies to Improve Fertilizer Recommendations for Irrigated Rice in Burkina Faso,” Agronomy Journal, 97:1429-1437.

B-248 Bowen, W.T., R.B. Diamond, U. Singh and T.P. Thompson. 2005. “Farmer and Environmental Benefits Derived From Deep Placement of Urea Briquettes for Flooded Rice in Bangladesh,” IN Third International Nitrogen Conference, Contributed Papers, Zhaoliang Zhu, Katsu Minami, and James Galloway (Eds.), pp. 71-76, Institute of Soil Science, Nanjing, China, October 12-16, 2004, Science Press USA Inc., Monmouth Junction, NJ.

B-249 Wopereis, M.C.S., A. Tamélokpo, K. Ezui, D. Gnakpénou, B. Fofana and H. Breman. 2006. “Mineral Fertilizer Management of Maize on Farmer Fields Differing in Organic Inputs in the West African Savanna,” Field Crops Research, 96:355-362.

B-249a Ouédraogo, Elisée, Abdoulaye Mando and Leo Stroosnijder. 2006. “Effects of Tillage, Organic Resources and Nitrogen Fertiliser on Soil Carbon Dynamics and Crop Nitrogen Uptake in Semi-Arid West Africa,” Soil and Tillage Research, 91:57-67.

B-249b Ouédraogo, E., A. Mando and L. Brussaard. 2006. “Soil Macrofauna Affect Crop Nitrogen and Water Use Efficiencies in Semi-Arid West Africa,” European Journal of Soil Biology, 42:S275-S277.

B-250 Singh, U. 2005. “Integrated Nitrogen Fertilization for Intensive and Sustainable Agriculture,” Journal of Crop Improvement, Vol. 15(2):259-288.

B-250a Castillo, Erneesto Guttierez, To Phuc Tuong, Upendra Singh, Kazuyuki Inubushi and Jaime Padilla. 2006. “Drought Response of Dry-Seeded Rice to Water Stress Timing and N-Fertilizer Rates and Sources,” Soil Science and Plant Nutrition 52:496-508.

B-251 Chien, S.H., U. Singh, E.R. Austin and J.S. Kruse. 2011. “A New Technique to Separate Nitrogen-Polymers from Urea in a Soluble Ureaform Fertilizer for Studying Nitrogen Transformation in Soil,” Soil Science Society of America Journal, 75(4):1574-1577.

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B-252 S. Agyin-Birikorang, Y.C. Newman, A.K. Obour and G.N. Kasozi. 2011. “Agro-Ecological Nitrogen Management in Soils Vulnerable to Nitrate Leaching: A Case Study in the Lower Suwannee Watershed,” Nutrient Cycling in Agroecosystems Journal.

B-253 Singh, U., J. Sanabria, E.R. Austin and S. Agyin-Birikorang. 2012. “Nitrogen Transformation, Ammonia Volatilization Loss, and Nitrate Leaching in Organically Enhanced Nitrogen Fertilizers Relative to Urea,” Soil Science Society of America Journal, 76(4):1842-1854.

B-253a Chien, Sen H., Upendra Singh, M. Mercedes Gearhart and E. Rick Austin. 2013. “Evaluation of Fused Ammonium Sulfate Nitrate Fertilizer for Crop Production,” Soil Science, 178(2):79-86.

B-254 Gaihre, Yam Kanta, Upendra Singh, S.M. Mofijul Islam, Azmul Huda, M.R. Islam, M. Abdus Satter, Joaquin Sanabria, Md. R. Islam and A.L. Shah. 2015. “Impacts of Urea Deep Placement on Nitrous Oxide and Nitric Oxide Emissions from Rice Fields in Bangladesh,” Geoderma, 370-379.

B-255 Huda, Amzul, Yam Kanta Gaihre, M.R. Islam, Upendra Singh, Md. R. Islam, Joaquin Sanabria, M. Abdus Satter, Hasina Afroz, Alee Halder and M. Jahiruddin. 2016. “Floodwater Ammonium, Nitrogen Use Efficiency and Rice Yields with Fertilizer Deep Placement and Alternate Wetting and Drying under Triple Rice Cropping Systems,” Nutr. Cycl. Agroecosyst. 104:53-66.

B-256 Gaihre, Yam Kanta, Upendra Singh, Azmul Huda, S.M. Mofijul Islam, M. Rafiqul Islam, JatishChandra Biswas, and Josh DeWald. 2016. “Fertilizer Deep Placement Increases Nitrogen Use Efficiency and Rice Productivity,” Proceedings of International Symposium on Improvement of Nutrient Use Efficiency under Zero Growth of Chemical Fertilizers in China, March 16-18, Beijing.

B-257 Winings, John H., Xinhua Yin, Sampson Agyin-Birikorang, Upendra Singh, Joaquin Sanabria, et al. 2016. "Changes of Soil Microbial Population and Structure under Short-term Application of an Organically Enhanced Nitrogen Fertilizer," Soil Science, 181 (11/12):494–502.

B-258 Winings, John H., Xinhua Yin, Sampson Agyin-Birikorang, Upendra Singh, Joaquin Sanabria, et al. 2017. "Agronomic Effectiveness of an Organically Enhanced Nitrogen Fertilizer," Nutr Cycl Agroecosyst, DOI 10.1007/s10705-017-9846-x.

B-259 Sampson Agyin-Birikorang, Job Fugice, Upendra Singh, Joaquin Sanabria, and Sanjib Choudhuri. 2017. “Nitrogen Uptake Kinetics of Key Staple Cereal Crops in Different Agro-ecological Regions of the World,” Journal of Plant Nutrition, 40(7). DOI 10.1080/01904167.2016.1262408

B-260 Md. Abdul Wohab, Yam Kanta Gaihre, A. T. M. Ziauddin, M. A. Hoque. Published online 17 May 2017. "Design, Development and Field Evaluation of Manual-Operated Applicators for Deep Placement of Fertilizer in Puddled Rice Fields,” Agricultural Research, p. 1-8. DOI 10.1007/s40003-017-0267-5

B-261 Yam Kanta Gaihre, Upendra Singh, Ishrat Jahan and Grahame Hunter. 2017. "Improved nitrogen use efficiency in lowland rice fields for food security." Fertilizer Focus, March/April, pp. 48-51.

B-262 Yam Kanta Gaihre, Upendra Singh, Azmul Huda, S.M. Mofijul Islam, M. Rafiqul Islam, Jatish Chandra Biswas, and Josh DeWald. December 2016. "Nitrogen use efficiency, crop productivity and environmental impacts of urea deep placement in lowland rice fields." In Proceedings of the 2016 International Nitrogen Initiative Conference, Melbourne, Australia, "Solutions to Improve Nitrogen Use Efficiency for the World", pp. 4–8. http://www.ini2016.com.

B-263 S. M. Mofijul Islam, Yam Kanta Gaihre, A. L. Shah, Upendra Singh, Md Imran Ullah Sarkar, M. Abdus Satter, Joaquin Sanabria and Jatish Chandra Biswas. 2016. "Rice yields and nitrogen use efficiency with different fertilizers and water management under intensive lowland rice cropping systems in Bangladesh." Nutr Cycl Agroecosyst, 106:143–156. DOI 10.1007/s10705-016-9795-9.

Reprints – Phosphate C-1 Hignett, T.P. 1975. “Technical and Economic

Comparison of Nitric and Sulfuric Acid Routes to Phosphate Fertilizer,” IN ANDA/ISMA Technical Seminar, AI/75/8, pp. 1-23, Paris, France.

C-2 Hignett, T.P., et al. 1976. “Utilization of Difficult Phosphate Ores,” IN New Developments in Phosphate Fertilizer Technology, ISMA, pp. 273-288, Paris, France.

C-4 McClellan, G.H. and F.J. Klem. 1977. “Phosphate Rock Characterization,” IN

23

FAI/IFDC Fertiliser Seminar, 1977, Trends in Consumption and Production, Proceedings, Tech II/2, pp. 118.

C-5 Chien, S.H. 1977. “Dissolution of Phosphate Rocks in a Flooded Acid Soil,” Soil Science Society of America Journal, 41(6):1106-1109.

C-6 Chien, S.H. 1977. “Dissolution Rates of Phosphate Rocks,” Soil Science Society of America Journal, 41(3):656-657.

C-7 Chien, S.H. 1978. “Interpretation of Bray I Extractable P From Acid Soil Treated With Phosphate Rocks,” Soil Science, 126(1):34-39.

C-8 Chien, S.H. 1977. “Thermodynamic Considerations of the Solubility of Phosphate Rock,” Soil Science, 123(2):117-121.

C-9 Lindsay, W.L. and P.L.G. Vlek. 1977. “Phosphate Minerals,” IN Minerals in Soil Environments, Soil Science Society of America, Madison, Wisconsin.

C-10 Chien, S.H. 1978. “Reactions of Phosphate Rocks, Rhenania Phosphate, and Superphosphate With an Acid Soil,” Soil Science Society of America Journal, 42(5):705-708.

C-11 Chien, S.H. and L.L. Hammond. 1978. “A Comparison of Various Laboratory Methods for Predicting the Agronomic Potential of Phosphate Rocks for Direct Application,” Soil Science Society of America Journal, 42(6):935-939.

C-12 Chien, S.H. and L.L. Hammond. 1978. “A Simple Chemical Method for Evaluating the Agronomic Potential of Granulated Phosphate Rock,” Soil Science Society of America Journal, 42(4):615-617.

C-13 McClellan, G.H. and T.P. Hignett. 1978. “Some Economic and Technical Factors Affecting Use of Phosphate Raw Materials,” IN Phosphorus in the Environment: Its Chemistry and Biochemistry, Ciba Foundation Symposium, No. 57, pp. 49-73.

C-14 Roy, A.H. and G.L. Bridger. 1978. “Producing Acid From Low-Grade Phosphatic Materials,” Chemical Engineering Progress, November, pp. 62-65.

C-15 Varsanyi, A., E.B. Winn and P.H. Peng. 1978. “Bench-Scale Studies of Utilization of Problem Rocks in Wet-Process Phosphoric Acid Production,” IN 1978 Technical/Economic Conference (Held in Orlando, Florida), pp. 133-150, International Phosphate Industry Association (ISMA), Paris, France.

C-16 Chien, S.H. 1979. “Dissolution of Phosphate Rocks in Solutions and Soils,” IN Seminar on Phosphate Rock for Direct Application, IFDC-SP-1, pp. 97-129.

C-17 Diamond, R.B. 1979. “Views on Marketing of Phosphate Rock for Direct Application,” IN Seminar on Phosphate Rock for Direct Application, IFDC-SP-1, pp. 448-463.

C-18 Fenster, W.E. and L.A. León. 1979. “Utilization of Phosphate Rock in Tropical Soils of Latin America,” IN Seminar on Phosphate Rock for Direct Application, IFDC-SP-1, pp. 174-210.

C-19 Hammond, L.L. 1979. “Agronomic Measurements of Phosphate Rock Effectiveness,” IN Seminar on Phosphate Rock for Direct Application, IFDC-SP-1, pp. 147-173.

C-20 Livingston, O.W. 1979. “Minigranulation–A Method for Improving the Properties of Phosphate Rock for Direct Application,” IN Seminar on Phosphate Rock for Direct Application, IFDC-SP-1, pp. 367-377.

C-21 McClellan, G.H. 1979. “Mineralogy and Reactivity of Phosphate Rock,” IN Seminar on Phosphate Rock for Direct Application, IFDC-SP-1, pp. 57-81.

C-22 Mokwunye, U. 1979. “Phosphorus Needs of Soils and Crops of the Savanna Zone of Nigeria,” IN Phosphorus in Agriculture (Proceedings of the ISMA Symposium, Mohammedia, Morocco), Vol. 76, pp. 87-95.

C-23 Roy, A.H. and H.R. Tejeda. 1979. “Characteri-zation of a Rotating Tube Furnace by Response Surface Methodology for the Production of Rhenania Phosphate,” Presented at 178th National Meeting of the American Chemical Society, Washington, D.C., Part I, Fertilizer Section, Paper No. 20.

C-24 Sidhu, S.S. 1979. “A Framework to Evaluate Phosphate Rock as an Alternative in Phosphate Fertilization,” IN Seminar on Phosphate Rock for Direct Application, IFDC-SP-1, pp. 265-290.

C-25 Stangel, P.J. 1979. “The IFDC Phosphate Program,” IN Seminar on Phosphate Rock for Direct Application, IFDC-SP-1, pp. 3-35.

C-26 Chien, S.H. 1979. “Dissolution of Phosphate Rock in Acid Soils as Influenced by Nitrogen and Potassium Fertilizers,” Soil Science, 127(6):371-376.

C-27 McClellan, G.H., T.M. Cheney and E.S. Montgomery. 1979. “Sechura Phosphate

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Deposits, Their Stratigraphy, Origin, and Composition,” Economic Geology, 74:232-259.

C-28 Chien, S.H. and W.R. Clayton. 1980. “Application of Elovich Equation to the Kinetics of Phosphate Release and Sorption in Soils,” Soil Science Society of America Journal, 44(2):265-268.

C-29 Chien, S.H., W.R. Clayton and G.H. McClellan. 1980. “Kinetics of Dissolution of Phosphate Rocks in Soils,” Soil Science Society of America Journal, 44(2):260-264.

C-30 Chien, S.H., L.A. León and H.R. Tejeda. 1980. “Dissolution of North Carolina Phosphate Rock in Acid Colombian Soils as Related to Soil Properties,” Soil Science Society of America Journal, 44(6):1267-1271.

C-31 Hammond, L.L., S.H. Chien and J.R. Polo. 1980. “Phosphorus Availability from Partial Acidulation of Two Phosphate Rocks,” Fertilizer Research, 1(1):37-49.

C-32 McClellan, G.H. and L.R. Gremillion. 1980. “Evaluation of Phosphatic Raw Materials,” Chapter 3, pp. 43-80, IN The Role of Phosphorus in Agriculture, American Society of Agronomy, Madison, Wisconsin.

C-33 Mokwunye, U. and S.H. Chien. 1980. “Reactions of Partially Acidulated Phosphate Rock With Soils From the Tropics,” Soil Science Society of America Journal, 44(3):477-482.

C-34 Chien, S.H. and G.H. McClellan. 1977. “Variation of the Apatite Composition in Phosphate Rock and Its Relationship to Rock’s Chemical Reactivity and Agronomic Effectiveness,” IN Proceedings of the -Conference on Classification and Management of Tropical Soils, pp. 377-384, K.T. Joseph (Ed.), Malaysian Society of Soil Science, Kuala Lumpur, Malaysia.

C-35 Hignett, T.P. 1980. “Production of Wet-Process Phosphoric Acid,” IN Proceedings of the Second International Congress on Phosphorus Compounds, pp. 401-429, (Held in Boston, Massachusetts), World Phosphate Institute (IMPHOS), Paris, France.

C-36 McClellan, G.H. 1980. “Quality Factors of Phosphate Raw Materials,” IN Fertilizer Mineral Potential in Asia and the Pacific, pp. 359-378, R.P. Sheldon and W.C. Burnett (Eds.), East-West Resource Systems Institute, East-West Center, Honolulu, Hawaii.

C-37 McClellan, G.H. and W.R. Clayton. 1980. “Francolite: The Commercial Phosphate Mineral,” IN Proceedings of the Second International Congress on Phosphorus Compounds, pp. 131-143.

C-38 Roy, A.H. 1980. “Bench-Scale Evaluation of Direct Acidulation in Clinker-Type Processes,” Presented at Second Chemical Congress of the North American Continent, American Chemical Society, San Francisco, California, Part I, Fertilizer Section, Paper No. 28.

C-39 Bridger, G.L., C.B. Drees and A.H. Roy. 1981. “A New Process for Production of Purified Phos-phoric Acid and/or Fertilizer Grade Dicalcium Phosphate from Various Grades of Phosphatic Materials,” Industrial and Engineering Chemistry Process Design and Development, 20:416-424.

C-40 Chien, S.H., N.K. Savant and U. Mokwunye. 1982. “Effect of Temperature on Phosphate Sorption and Desorption in Two Acid Soils,” Soil Science, 133(3):160-166.

C-41 El-Zahaby, E.M., S.H. Chien, N.K. Savant, P.L.G. Vlek and A.U. Mokwunye. 1982. “Effect of Pyrophosphate on Phosphate Sorption and Ammonia Volatilization by Calcareous Soils Treated With Ammonium Phosphates,” Soil Science Society of America Journal, 46(4):733-740.

C-42 El-Zahaby, E.M. and S.H. Chien. 1982. “Effect of Small Amounts of Pyrophosphate on Orthophosphate Sorption by Calcium Carbonate and Calcareous Soils,” Soil Science Society of America Journal, 46(1):38-46.

C-43 Livingston, O.W. 1982. “Technology of Production of Phosphate Rock Fertilisers,” IN Proceedings of the International Conference on Phosphorus and Potassium in the Tropics, August 1981, pp. 545–555, The Malaysian Society of Soil Science, Kuala Lumpur, Malaysia.

C-44 Chien, S.H. 1982. “Direct Application of Phosphate Rocks in Some Tropical Soils of South America: A Status Report,” IN Proceedings of the International Conference on Phosphorus and Potassium in the Tropics, August 1981, pp. 519-529, The Malaysian Society of Soil Science, Kuala Lumpur, Malaysia.

C-45 León, L.A. and W.E. Fenster. 1979. “Management of Phosphorus in the Andean

25

Countries of Tropical Latin America,” IN Phosphorus in Agriculture, 76:57-73.

C-46 Republished (see C-59).

C-47 No longer available.

C-48 Peng, P.H. and L.L. Hammond. 1979. “Ground and Granulated Phosphate Rocks for Direct Application,” IN Proceedings of the New Zealand Fertiliser Manufacturers’ Research Association Meeting, pp. 157-186, University of Auckland, New Zealand, November 21-23.

C-49 Gremillion, L.R. and G.H. McClellan. 1981. “Importance of Chemical and Mineralogical Data in Evaluating Apatitic Phosphate Ores,” Society of Mining Engineers of AIME Transactions, 270:1975-1979.

C-50 Harris, G.T. 1982. “Economics of World Supply and Consumption of Phosphorus and Potassium Fertilizers in the Year 2000,” IN Proceedings of the International Conference on Phosphorus and Potassium in the Tropics, August 1981, pp. 557-569, The Malaysian Society of Soil Science, Kuala Lumpur, Malaysia.

C-50a Schultz, J.J., and J.R. Polo. 1982. “Ammoniated Granular TSP for Developing Countries,” IN Proceedings of the 32nd Annual Meeting, Fertilizer Industry Round Table 1982, pp. 97-123, Tennessee Valley Authority (TVA), Muscle Shoals, Alabama.

C-50b McClellan, G.H., and J.R. Lehr. 1982. “Impurities in Phosphate Rock Good or Bad,” IN Proceedings of the 32nd Annual Meeting, Fertilizer Industry Round Table 1982, pp. 238-252, Tennessee Valley Authority (TVA), Muscle Shoals, Alabama.

C-51 Schultz, J.J. and J.R. Polo. 1983. “Ammoniated Granular Triple Superphosphate,” Fertiliser News, 28(6):54-59.

C-52 Mokwunye, A.U. 1981. “Phosphorus Fertilizers in Nigerian Savanna Soils. III. Effects of Three Phosphorus Sources on Available Cation Contents of a Soil at Samaru,” Samaru Journal of Agricultural Research, 1(2):103-109.

C-53 McClellan, G.H. and P.J. Stangel. 1982. “Status and Potential of Indigenous Reserves of Phosphate Rock,” Paper presented at 9th Phosphate-Sulfur Symposium, Innisbrook, Tarpon Springs, Florida, January 16-19, 1982.

C-54 Hammond, L.L., L.A. León and German Montes B. 1982. “Initial and Residual Effect of Two Phosphorus Sources on the Yield of Maize

and Cowpea on a P-Deficient Soil From CIAT-Quilchao,” Suelos Ecuatoriales, 12(1):5-13 (in Spanish).

C-55 León, L.A. and J.M. Toledo. 1982. “Phosphorus, The Key Element for Pastures in the Amazon Region,” Suelos Ecuatoriales, 12(2):246-269 (in Spanish).

C-56 Ortiz R., Gloria and Alfredo León S. 1982. “The Effect of Time of Application of Two Amendments on the Availability of Phosphorus in an Oxisol From Carimagua, Colombia,” Suelos Ecuatoriales, 12(2):207-220 (in Spanish).

C-57 Hammond, L.L., L.A. León and L.G. Restrepo. 1982. “Residual Effect From the Application of Seven Phosphorus Sources on the Yield of Brachiaria Decumbens on an Oxisol From Carimagua,” Suelos Ecuatoriales, 12(2):196-206 (in Spanish).

C-57a McClellan, G.H. 1982. “Beneficiation of Phosphate Rock,” IN UNESCO-ADAB Phosphate Geology Workshop Course Manual, Volume 3: Mineral Exploration, Feasibility and Production, pp. 369-413, Compiled by Peter F. Howard.

C-58 Tanke, M.A. and W.R. Clayton. 1985. “Calculations in the Dihydrate Phosphoric Acid Process. Part 1: Material and Heat Balance,” Fertilizer Technology, 1(1):135-159.

C-59 León, L.A., W.E. Fenster and L.L. Hammond. 1986. “Agronomic Potential of Eleven Phosphate Rocks From Brazil, Colombia, Peru, and Venezuela,” Soil Science Society of America Journal, 50(3):798-802.

C-60 Clayton, W.R. and M.A. Tanke. 1985. “Calculations in the Dihydrate Phosphoric Acid Process. Part 2. Variable Costs of Phosphate Rocks,” Fertilizer Technology, 1(2):235-248.

C-61 Hammond, L.L. and L.A. León. 1983. “Agronomic Effectiveness of Natural and Altered Phosphate Rocks From Latin America,” IN Proceedings of the Third International Congress on Phosphorus Compounds, pp. 503-519, World Phosphate Institute, Brussels, Belgium.

C-62 Hammond, L.L., S.H. Chien and A.U. Mokwunye. 1986. “Agronomic Value of Unacidulated and Partially Acidulated Phosphate Rock Indigenous to the Tropics,” IN Advances in Agronomy, Vol. 40:89-140, N.C. Brady (Ed.).

C-63 Bationo, A., A.U. Mokwunye and C.A. Baanante. 1985. “Agronomic and

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Economic Evaluation of Alternative Phosphate Fertilizer Sources in Niger,” IN Appropriate Technologies for Farmers in Semi-Arid West Africa, pp. 110-122, H.E. Ohm and J.C. Nagy (Eds.), Purdue University.

C-64 Thompson, M.K. 1985. “Mali Phosphate Rock: Powder With Punch,” Front Lines (Agency for International Development), March 1985, p. 9.

C-64a McClellan, Guerry, Michelle Cooper, Talaat Lawendy, and Ibezim Anazia. 1985. “Some Characterization and Beneficiation Data on Phosphorites from Parc-W, Niger,” Sci. Geol., Mem., 77:135-141, Strasbourg.

C-64b Roy, A.H., and G.H. McClellan. 1985. “Future Prospects for Nonconventional Phosphate Fertilizers in Developing Countries,” IN Proceedings (Volume II): Raw Materials Meeting, Kyoto (Japan), October 15-16, 1985. International Fertilizer Industry Association.

C-64c McClellan, G.H., S.J. Van Kauwenbergh and W.C. Isphording. 1985. “An Overview of the Mineralogy of the Phosphorite Deposits of the Southeastern United States,” IN International Geological Correlation Program, Project 156 – Phosphorites, Eighth International Field Workshop and Symposium (Southeastern United States) Guidebook, pp. 3-9, Compiled by Scott Snyder, Stanley Riggs, Beth Partin, Patrick Mallette and Rusty Walker; Scott Snyder (Ed.).

C-65 Hammond, L.L., S.H. Chien and G.W. Easterwood. 1986. “Agronomic Effectiveness of Bayovar Phosphate Rock in Soil with Induced Phosphorus Retention,” Soil Science Society of America Journal, 50:1601-1606.

C-65a McClellan, G.H. and A.J.G. Notholt. 1986. “Phosphate Deposits of Tropical Sub-Saharan Africa,” IN Management of Nitrogen and Phosphorus Fertilizers in Sub Saharan Africa, pp. 173-223, A. Uzo Mokwunye and Paul L.G. Vlek (Eds.), Proceedings of a symposium held in Lomé, Togo, March 25-28, 1985. Volume 24 of the series Developments in Plant and Soil Sciences, Springer.

C-65b McClellan, G.H. and F.N. Saavedra. 1986. “Proterozoic and Cambrian Phosphorites – Specialist Studies: Chemical and Mineral Characteristics of Some Cambrian and Precambrian Phosphorites,” Chapter 20 IN Phosphate Deposits of the World, Volume 1: Proterozoic and Cambrian Phosphorites, pp. 244-267, Cook, P.J. and J.H. Shergold (Eds.), University Press, Cambridge, UK.

C-65c McClellan, G.H., S.J. Van Kauwenbergh, and W.C. Isphording. 1986. IN Southeastern United States: Third Annual Midyear Meeting, 1986, Raleigh, North Carolina, pp. 341-344, Textoris, Daniel A. (Ed.), SEPM Society for Sedimentary Geology, Tulsa, OK.

C-66 Lu, D.Q., S.H. Chien, J. Henao and D. Sompongse. 1987. “Evaluation of Short-Term Efficiency of Diammonium Phosphate Versus Urea Plus SSP on a Calcareous Soil,” Agronomy Journal, 79:896-900.

C-67 Chien, S.H., F. Adams, F.E. Khasawneh and J. Henao. 1987. “Effects of a Combination of TSP and a Reactive Phosphate Rock on Yield and Phosphorus Uptake by Corn,” Soil Science Society of America Journal, 51:1656-1658.

C-68 Chien, S.H., L.L. Hammond and L.A. León. 1987. “Long-Term Reactions of Phosphate Rocks With an Oxisol in Colombia,” Soil Science, 144:257-265.

C-69 Chien, S.H., C.B. Christianson, M. Lupin and G.E. Peters. 1987. “Compaction of Metal Salt-Urea Complexes With TSP,” Fertilizer Research, 14:181-191.

C-70 Chien, S.H., D. Sompongse, J. Henao and D.T. Hellums. 1987. “Greenhouse Evaluation of Phosphorus Availability from Compacted Phosphate Rocks with Urea or with Urea and Triple Superphosphate,” Fertilizer Research, 14:245-256.

C-71 Van Kauwenbergh, S.J., M. Cooper-Fleck and M.R. Williams. 1988. “The Occurrence of Robertsite in a Sedimentary Phosphate Ore from Thailand,” Mineralogical Magazine, 52:505-508.

C-72 Menon, R.G., L.L. Hammond and H.A. Sissingh. 1989. “Determination of Plant-Available P by the Iron Hydroxide Impregnated Filter Paper Soil Test,” Soil Science Society of America Journal, 53:110-115.

C-73 Menon, R.G., S.H. Chien and L.L. Hammond. 1989. “Comparison of Bray-I and Pi Tests for Evaluating Plant-Available Phosphorus From Soils Treated With Different PAPRs,” Plant and Soil, 114:211-216.

C-74 Hammond, L.L. and R.B. Diamond. 1987. “Effectiveness of Alternative Phosphate Fertilizer in Tropical Agriculture,” Prosiding, Lokakarya Nasional Pengguaan Pupuk Fosfat, June 29–July 2, 1987, pp. 91-116.

C-74a Diamond, Ray B., J. Sri Adiningsih, J. Prawirasumantri and S. Partohardjono. 1988.

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“Responses of Upland Crops to Water Soluble P and Phosphate Rock,” Prosiding, Lokakarya Efisiensi Pengguaan Pupuk, August 7-7, 1986, pp. 1-19.

C-74b Diamond, Ray B., S. Partohardjono, J. Sri Adiningsih and J. Prawirasumantri. 1988. “Responses of Upland Rice Varieties to Phosphorus,” Prosiding, Lokakarya Efisiensi Pengguaan Pupuk, August 7-7, 1986, pp. 37-46.

C-75 Hellums, D.T., S.H. Chien and J.T. Touchton. 1989. “Potential Agronomic Value of Calcium in Some Phosphate Rocks from South America and West Africa,” Soil Science Society of America Journal, 53(2):459-462.

C-76 Menon, R.G., S.H. Chien, L.L. Hammond and J. Henao. 1989. “Modified Techniques for Preparing Paper Strips for the New Pi Soil Test for Phosphorus,” Fertilizer Research, 19:85-91.

C-77 Hammond, L.L., S.H. Chien, A.H. Roy and A.U. Mokwunye. 1989. “Solubility and Agronomic Effectiveness of Partially Acidulated Phosphate Rocks as Influenced by Their Iron and Aluminum Oxide Content,” Fertilizer Research, 19:93-98.

C-78 Bationo, A., S.H. Chien and A.U. Mokwunye. 1987. “Chemical Characteristics and Agronomic Values of Some Phosphate Rocks in West Africa,” IN Food Grain Production in Semi-Arid Africa, pp. 399-407, J.M. Menyonga, (Ed.), OAU/STRC-SAFGRAD, Ouagadougou, Burkina Faso.

C-79 Lindsay, W.L., P.L.G. Vlek and S.H. Chien. 1989. “Phosphate Minerals,” IN Minerals in Soil Environments, pp. 1089-1130, second edition, J.B. Dixon, (Ed.), SSSA Book Series 1, Soil Science Society of America, Madison, Wisconsin, U.S.A.

C-80 Chien, S.H., P.W.G. Sale and L.L. Hammond. 1990. “Comparison of Effectiveness of Various Phosphate Fertilizer Products,” IN International Symposium on Phosphorus Requirements for Sustainable Agriculture in Asia and Oceania, March 6-20, 1989, International Rice Research Institute, Los Baños, Philippines, Conf. A-57, No. 4.

C-81 Sharpley, A.N., U. Singh, G. Uehara and J. Kimble. 1989. “Modeling Soil and Plant Phosphorus Dynamics in Calcareous and Highly Weathered Soils,” Soil Science Society of America Journal, 53(1):153-158.

C-82 Le Mare, P.H. and L.A. León. 1989. “The Effects of Lime on Adsorption and Desorption of Phosphate in Five Colombian Soils,” Journal of Soil Science, 40:59-69.

C-83 Chien, S.H. and L.L. Hammond. 1989. “Agronomic Effectiveness of Partially Acidulated Phosphate Rock as Influenced by Soil Phosphorus-Fixing Capacity,” Plant and Soil, 120:159–164.

C-84 McClellan, G.H., A.H. Roy, T. Lawendy and M. Chen. 1985. “Some Characterization, Calcination, and Beneficiation Data on a Phosphorite From the Kaiyang Area of Guizhou, China,” Science Geologiques Memoire, 77:125-134.

C-85 Van Kauwenbergh, S.J. and A.K.C. Johnson. 1989. “Overview of the Phosphate Deposits of West Africa,” African Fertilizer Market, 2(7):4-7.

C-86 León, L.A. 1988. “Use of Phosphate Rock in the Culture of Maize in Latin America,” Arroz en las Américas, 9(2):4-8.

C-87 León, L.A. and A. Martinez. 1988. “Alternatives for Phosphate Fertilization in Colombia,” Suelos Ecuatoriales, 18(1):91-97.

C-88 Restrepo, L.G., L.A. León and A. Martinez. 1988. “Effects of Time and Application Methods of Various Phosphate Sources in the Yield of Beans,” Suelos Ecuatoriales, 18(1):110-114.

C-89 León, L.A., H. Méndez, C.A. Quiros and L.G. Restrepo. 1987. “Evaluation of Sources and Application Rates of Phosphorus in the Production of Potatoes on Soils of the Nariño Department,” Suelos Ecuatoriales, 17(1):221-225.

C-90 León, L.A., L.G. Restrepo, H. Méndez and C.A. Quiros. 1987. “Evaluation of Phosphatic Fertilizers for an Association of Maize Beans in Southern Nariño Department Andisols,” Suelos Ecuatoriales, 17(1):226-231.

C-90a McClellan, G.H. 1989. “Geology of the Phosphate Deposits at Sechura, Peru,” Chapter 21 IN Phosphate Deposits of the World, Volume 2 Phosphate Rock Resources, pp. 123-130, A.J.G. Notholt, R.P. Sheldon and D.F. Davidson (Eds.), Cambridge University Press.

C-91 Menon, R., S.H. Chien and L.L. Hammond. 1990. “Development and Evaluation of the Pi Soil Test for Plant-Available Phosphorus,”

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Communications in Soil Science and Plant Analysis, 21:1131-1150.

C-92 León, L.A. and A. Martinez. 1990. “Perspectivas Sobre el Uso de Rocas Fosforicas Nativas en la Producción de Alimentos,” (Perspectives of the Use of Indigenous Phosphate Rocks in Food Production), IN Memorias del X Congreso Latino-Americano de la Ciencia del Suelo, Maracaibo, Venezuela.

C-93 Menon, R.G., S.H. Chien, L.L. Hammond and B.R. Arora. 1990. “Sorption of Phosphorus by the Iron Oxide-Impregnated Filter Paper (Pi Soil Test) Embedded in Soils,” Plant and Soil, 126:287-294.

C-94 Menon, R.G. and S.H. Chien. 1990. “Phosphorus Availability to Maize from Partially Acidulated Phosphate Rocks and Phosphate Rocks Compacted with Triple Superphosphate,” Plant and Soil, 127:123-128.

C-95 Chien, S.H., P.W.G. Sale and D.K. Friesen. 1990. “A Discussion of the Methods for Comparing the Relative Effectiveness of Phosphate Fertilizers Varying in Solubility,” Fertilizer Research, 24:149–157.

C-96 Bationo, A., S.H. Chien, J. Henao, C.B. Christianson and A.U. Mokwunye. 1990. “Agronomic Evaluation of Two Unacidulated and Partially Acidulated Phosphate Rocks Indigenous to Niger,” Soil Science Society of America Journal, 54(6):1772–1777.

C-97 McClellan, G.H. and S.J. Van Kauwenbergh. 1990. “Mineralogy of Sedimentary Apatites,” IN Phosphorite Research and Development, pp. 23-31, A.J.G. Notholt and I. Jarvis (Eds.), Geological Society Special Publication No. 52.

C-98 Van Kauwenbergh, S.J. and G.H. McClellan. 1990. “Comparative Geology and Mineralogy of the Southeastern United States and Togo Phosphorites,” IN Phosphorite Research and Development, pp. 139-155, A.J.G. Notholt and I. Jarvis (Eds.), Geological Society Special Publication No. 52.

C-99 Leon, L. A. 1990. “La Eficiencia de la Fertilizacion Fosfatada,” Suelos Ecuatoriales, Volumen XX, No. 1.

C-100 Le Mare, P.H. and L.A. Leon. 1990. “Effects of Residues of Triple Superphosphate on the Quantity-Intensity Relationships of Fresh Phosphate in Some Soils From Brazil and Colombia,” Fertilizer Research, 24:159-166.

C-101 Youngdahl, Leif J. 1990. “Differences in Phosphorus Efficiency in Bean Genotypes,” Journal of Plant Nutrition, 13(11):1381-1392.

C-102 Kpomblekou, K., S.H. Chien, J. Henao and W.A. Hill. 1991. “Greenhouse Evaluation of Phosphate Fertilizers Produced From Togo Phosphate Rock,” Communications in Soil Science and Plant Analysis, 22(1&2):63-73.

C-103 Bationo, A., W.E. Baethgen, C.B. Christianson and A.U. Mokwunye. 1991. Comparison of Five Soil Testing Methods to Establish Phosphorus Sufficiency Levels in Soil Fertilized With Water-Soluble and Sparingly Soluble-P Sources, Fertilizer Research, 28:271-279.

C-104 Menon, R.G., S.H. Chien and Abd el Nabi Gadalla. 1991. “Comparison of Olsen and Pi Soil Tests for Evaluating Phosphorus Bioavailability in a Calcareous Soil Treated With Single Superphosphate and Partially Acidulated Phosphate Rock,” Fertilizer Research, 29:153-158.

C-105 Menon, R.G. and S.H. Chien. 1991. “Phosphate Rocks Compacted With Superphosphates vs. Partially Acidulated Rocks for Beans and Rice,” Soil Science Society of America Journal, 55(5):1480-1484.

C-106 Chien, S.H. and L.L. Hammond. 1991. “Calcination Effect on the Agronomic Effectiveness of Apatitic North Carolina Phosphate Rock,” Soil Science Society of America Journal, 55(6):1758-1760.

C-107 McClellan, G.H. and S.J. Van Kauwenbergh. 1990. “Clay Mineralogy of the Phosphorites of the Southeastern United States,” IN Phosphate Deposits of the World, Vol. 3: Neogene to Modern Phosphorites, pp. 337-351, International Geological Correlation Programme Project 156: Phosphorites. Cambridge, Cambridge University Press (World and Regional Geology Series).

C-108 Sale, P.W.G., D.K. Friesen and G.J. Blair. 1991. “Long-Term Greenhouse Evaluation of Partially Acidulated Phosphate Rock Fertilizers, III. Agronomic Effectiveness Relative to Single Superphosphate,” Fertilizer Research, 29:295-307.

C-109 Van Kauwenbergh, S.J. 1991. “Overview of Phosphate Deposits in East and Southeast Africa,” Fertilizer Research, 30:127-150.

C-110 Mokwunye, A.U. and L.L. Hammond. 1992. “Myths and Science of Fertilizer Use in the

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Tropics,” IN Myths and Science of Soils of the Tropics, SSSA Special Publication No. 29.

C-111 McClellan, G.H. and S.J. Van Kauwenbergh. 1990. “X-Ray Study of Palygorskites From Phosphorite Deposits,” Sciences Geologiques Bulletin, 43, 2-4, pp. 185–192.

C-112 Menon, R.G. 1993. “The Pi Test for Evaluating Bioavailability of Phosphorus,” Application of Agricultural Analysis in Environmental Studies, ASTM STP 1162, K.B. Hoddinott and T.A. O’Shay (Eds.), American Society for Testing and Materials, Philadelphia, Pennsylvania 19103, U.S.A.

C-113 McClellan, G.H. and S.J. Van Kauwenbergh. 1990. “Relationship of Mineralogy to Sedimentary Phosphate Rock Reactivity,” IN Proceedings of a Workshop on Phosphate Sources for Acid Soils in the Humid Tropics of Asia, pp. 1-17, Kuala Lumpur, Malaysia.

C-114 Frederick, M.T. 1991. “Production and Economics of Partially Acidulated Phosphate Rock–Implications for Zambia,” IN Proceedings of the First Zambian Seminar on the Utilisation of Local Phosphate Deposits for the Benefit of the Zambian Farmer, pp. 163-182, Siavonga, -Zambia.

C-115 Chien, S.H. 1992. “Reactions of Phosphate Rocks With Acid Soils of the Humid Tropics,” IN Proceedings of a Workshop on Phosphate Sources for Acid Soils in the Humid Tropics of Asia, pp. 18-29, A.T. Bachik and A. Bidin (Eds.), Malaysian Society of Soil Science, Kuala Lumpur, Malaysia.

C-116 Chien, S.H. and D.K. Friesen. 1992. “Phosphate Rock for Direct Application,” IN Future Directions for Agricultural Phosphate Research, pp. 47-52, F.J. Sikora (Ed.), TVA Bulletin Y-224, National Fertilizer and Environmental Research Center, Tennessee Valley Authority (TVA), Muscle Shoals, Alabama.

C-117 Chien, S.H. and S.J. Van Kauwenbergh. 1992. “Chemical and Mineralogical Characteristics of Phosphate Rock for Direct Application,” Paper presented at the National Seminar on Phosphate Rocks in Agriculture, November 18-20, 1992, Temuco, Chile.

C-118 Chien, S.H. 1993. “Solubility Assessment for Fertilizer Containing Phosphate Rock,” Fertilizer Research, 35:93-99.

C-119 Hellums, D.T., C.A. Baanante and S.H. Chien. 1992. “Alternative Phosphorus Fertilizers for the

Tropics: An Agronomic and Economic Evaluation,” IN TropSoils Bulletin No. 92-01, pp. 147-154.

C-120 Van Kauwenbergh, S.J. and G.H. McClellan. 1985. “Variations in the Mineralogy of the Florida Phosphate Deposits,” IN Florida Land-Pebble Phosphate District Field Guidebook, pp. 39-67, J.B. Cathcart and T.M. Scott (Eds.), Geological Society of America.

C-121 Verma, D.P., S.H. Chien, C.B. Christianson and G. Pardhasardhi. 1993. “Comparison of Efficiency of Mussoorie Partially Acidulated Phosphate Rock and Single Superphosphate in a Shallow Alfisol of the Indian Semiarid Tropics,” Fertilizer Research, 36:29-33.

C-122 Sale, P.W.G. and A.U. Mokwunye. 1993. “Use of Phosphate Rocks in the Tropics,” Fertilizer Research, 35:33-45.

C-123 Perrott, K.W., S. Saggar and R.G. Menon. 1993. “Evaluation of Soil Phosphate Status Where Phosphate Rock Based Fertilizers Have Been Used,” Fertilizer Research, 35:67-82.

C-124 Umrit, Gunshiam and D.K. Friesen. 1994. “The Effect of C:P Ratio of Plant Residues Added to Soils of Contrasting Phosphate Sorption Capacities on P Uptake by Panicum Maximum (Jacq.),” Plant and Soil, 158:275-285.

C-125 Rebafka, F.P., A. Bationo and H. Marschner. 1993. “Phosphorus Seed Coating Increases Phosphorus Uptake, Early Growth and Yield of Pearl Millet (Pennisetum glaucum (L.) R. Br.) Grown on an Acid Sandy Soil in Niger, West Africa,” Fertilizer Research, 35:151-160.

C-126 Hafner, H., E. George, A. Bationo and H. Marschner. 1993. “Effect of Crop Residues on Root Growth and Phosphorus Acquisition of Pearl Millet in an Acid Sandy Soil in Niger,” Plant and Soil, 150:117-127.

C-127 Baidu-Forson, J. and A. Bationo. 1992. “An Economic Evaluation of a Long-Term Experiment on Phosphorus and Manure Amendments to Sandy Sahelian Soils: Using a Stochastic Dominance Model,” Fertilizer Research, 33:193-202.

C-128 Ntare, B.R. and A. Bationo. 1992. “Effects of Phosphorus on Yield of Cowpea Cultivars Intercropped With Pearl Millet on Psammentic Paleustalf in Niger,” Fertilizer Research, 32:143-147.

C-129 Manu, A., A. Bationo and S.C. Geiger. 1991. “Fertility Status of Selected Millet Producing

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Soils of West Africa With Emphasis on Phosphorus,” Soil Science, 152(5):315-320.

C-130 Kretzschmar, R.M., H. Hafner, A. Bationo and H. Marschner. 1991. “Long- and Short-Term Effects of Crop Residues on Aluminum Toxicity, Phosphorus Availability and Growth of Pearl Millet in an Acid Sandy Soil,” Plant and Soil, 136:215-223.

C-131 Chien, S.H. and R.G. Menon. 1995. “Agronomic Evaluation of Modified Phosphate Rock Products: IFDC's Experience,” Fertilizer Research, 41:197-209.

C-132 Menon, R.G. and S.H. Chien. 1995. “Soil Testing for Available Phosphorus in Soils Where Phosphate Rock-Based Fertilizers Are Used,” Fertilizer Research, 41:179-187.

C-133 Ayuk, E.T., A. Bationo, Z. Sanogo and D. Ballo. 1992. “An Economic Evaluation of Tilemsi Rock Phosphate in Different Cropping Systems in Mali,” IN Phosphorus Cycles in Terrestrial and Aquatic Ecosystems, Regional Workshop 4: Africa, held in Nairobi, Kenya, March 18-22, 1991. Published by Saskatchewan Institute of Pedology, University of Saskatchewan, Saskatoon, Canada.

C-134 Bationo, A., A.K.C. Johnson, M. Kone, A.U. Mokwunye and J. Henao. 1992. “Properties and Agronomic Values of Indigenous Phosphate Rock From the West African Semiarid Tropics,” IN Phosphorus Cycles in Terrestrial and Aquatic Ecosystems, Regional Workshop 4: Africa, held in Nairobi, Kenya, March 18-22, 1991. Published by Saskatchewan Institute of Pedology, University of Saskatchewan, Saskatoon, Canada.

C-135 Chien, S.H. and R.G. Menon. 1994. “Dilution Effect of Plant Biomass on Plant Cadmium Concentration as Induced by Application of Phosphate Fertilizers,” Paper presented at the Fertilizer and Environment – VIII International Symposium C.I.E.C., Salamanca, Spain, September 26-29, 1994.

C-135a Umrit, Gunshiam and Dennis K. Friesen. 1994. “The Effect of C;P Ratio of Plant Residues Added to Soils of Contrasting Phosphate Sorption Capacities on P Uptake by Panicum maximum (Jacq.),” Plant and Soil, 158:275-285.

C-136 Menon, R.G., S.H. Chien and D.T. Hellums. 1995. “Iron and Aluminum Oxide Influence on Agronomic Effectiveness of Modified Phosphate Rocks,” Soil Science Society of America Journal, 59(6):1762-1767.

C-137 Chien, S.H., R.G. Menon, R.W. Taylor and K.R. Sistani. 1995. “Evaluation of Agronomic Effectiveness of Phosphate Rocks for Aluminum-Tolerant Soybean Cultivar,” Communications in Soil Science and Plant Analysis, 26(19&20):3133-3144.

C-138 Chien, S.H. and R.G. Menon. 1995. “Factors Affecting the Agronomic Effectiveness of Phosphate Rock for Direct Application,” Fertilizer Research, 41:227-234.

C-138a Van Kauwenbergh, S.J. and D.T. Hellums. 1995. “Direct Application Phosphate Rock: A Contemporary Snapshot,” Phosphorus and Potassium 200:27-37.

C-139 Lawendy, T.A.B. and G.H. McClellan. 1993. “Flotation of Dolomitic and Calcareous Phosphate Ores,” IN Beneficiation of Phosphate: Theory and Practice, pp. 231-243, H. El-Shall, B.M. Moudgil and R. Wiegel (Eds.), Society for Mining, Metallurgy, and Exploration, Inc.

C-140 Lawendy, T.A.B. and S.J. Van Kauwenbergh. 1993. “Flotation of High-Iron Phosphate Ores and Phosphatic Iron Ores,” IN Beneficiation of Phosphate: Theory and Practice, pp. 29-43, H. El-Shall, B.M. Moudgil and R. Wiegel (Eds.), Society for Mining, Metallurgy, and Exploration, Inc.

C-141 Chien, S.H., R.G. Menon and K.S. Billingham. 1996. “Phosphorus Availability From Phosphate Rock as Enhanced by Water-Soluble Phosphorus,” Soil Science Society of America Journal, 60(4):1173-1177.

C-142 Ntare, B.R., J.H. Williams and A. Bationo. 1993. “Physiological Determinants of Cowpea Seed Yield as Affected by Phosphorus Fertilizer and Sowing Dates in Intercrop With Millet,” Field Crops Research, 35:151-158.

C-143 Rebafka, F.-P., A. Hebel, A. Bationo, K. Stahr and H. Marschner. 1994. “Short- and Long-Term Effects of Crop Residues and of Phosphorus Fertilization on Pearl Millet Yield on an Acid Sandy Soil in Niger, West Africa,” Field Crops Research, 36:113-124.

C-144 Butegwa, C.N., G.L. Mullins and S.H. Chien. 1996. “Agronomic Evaluation of Fertilizer Products Derived From Sukulu Hills Phosphate Rock,” Fertilizer Research, 44:113-122.

C-145 Menon, R.G., S.H. Chien and J.W. Chardon. 1997. “Iron Oxide-Impregnated Filter Paper [Pi Test] II. A Review of Its Application,” Nutrient Cycling in Agroecosystems, 47:7-18.

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C-146 Oberson, A., D.K. Friesen, C. Morel and H. Tiessen. 1997. “Determination of Phosphorus Released by Chloroform Fumigation From Microbial Biomass in High P Sorbing Tropical Soils,” Soil Biol. Biochem., 29(9/10):1579-1583.

C-147 Friesen, D.K., I.M. Rao, R.J. Thomas, A. Oberson and J.I. Sanz. 1997. “Phosphorus Acquisition and Cycling in Crop and Pasture Systems in Low Fertility Tropical Soils,” Plant and Soil, 196:289-294. Also published in Plant Nutrition - For Sustainable Food Production and Environment, pp. 493–498, T. Ando et al. (Eds.), Kluwer Academic Publishers.

C-148 Savant, N.K., R.G. Menon and D.K. Friesen. 1997. “Transplanting Geometry Improves Timing of Uptake of Deep Point-Placed P by Rice Hills,” IRRN, 22(1):36.

C-148a Van Kauwenbergh, S.J. 1997. “Cadmium and Other Minor Elements in World Resources of Phosphate Rock,” Paper presented to the Fertiliser Society, London, UK, October 9, Reprint from Proceedings No. 400.

C-149 Buresh, R.J., P.C. Smithson and D.T. Hellums. 1997. “Building Soil Phosphorus Capital in Africa,” Replenishing Soil Fertility in Africa, pp. 111-149, SSSA Special Publication No. 51, American Society of Agronomy and Soil Science Society of America, Madison, Wisconsin U.S.A.

C-150 Iretskaya, S.N., S.H. Chien and R.G. Menon. 1998. “Effect of Acidulation of High Cadmium Containing Phosphate Rocks on Cadmium Uptake by Upland Rice,” Plant and Soil, 201(2):183–188.

C-151 Habib, L., S.H. Chien, R.G. Menon and G. Carmona. 1998. “Modified Iron-Oxide-Impregnated Paper Strip Test for Soils Treated With Phosphate Fertilizers,” Soil Science Society of America Journal, 62:972-976.

C-152 Govere, E.M., S.H. Chien and R.H. Fox. 1995. “Residual Effects of Novel Phosphate Fertilizers Derived From Dorowa Rock, Zimbabwe,” Journal of Applied Science in Southern Africa, 1(1):41-46.

C-153 Butegwa, C.N., G.L. Mullins and S.H. Chien. 1996. “Induced Phosphorus Fixation and the Effectiveness of Phosphate Fertilizers Derived From Sukulu Hills Phosphate Rock,” Fertilizer Research, 44:231-240.

C-154 Chien, S.H. 1998. “Evaluation of Gafsa (Tunisia) and Djebel Onk (Algeria) Phosphate Rocks and Soil Testing of Phosphate Rock for Direct

Application,” IN Nutrient Management for Sustainable Crop Production in Asia, pp. 175-185, A.E. Johnston and J.K. Syers (Eds.), CAB International.

C-155 Govere, E.M., S.H. Chien and R.H. Fox. 1995. “Effects of Compacting Phosphate Rock With Nitrogen, Phosphorus, and Potassium Fertilisers,” E. Afr. Agric. For. J., 60(3):123-130.

C-157** Bationo, A., E. Ayuk, D. Ballo and M. Kone. 1997. “Agronomic and Economic Evaluation of Tilemsi Phosphate Rock in Different Agroecological Zones of Mali,” Nutrient Cycling in Agroecosystems, 48:179-189.

C-157a Oberson, A., D.K. Friesen, C. Morel and H. Tiessen. “Determination of Phosphorus Released by Chloroform Fumigation from Microbial Biomass in High P Sorbing Tropical Soils,” Soil Biol. Biochem. 28(9/10):1579-1583.

C-158** Bationo, A., S. Koala and E. Ayuk. 1998. “Fertilité des sols pour la production céréalière en zone sahélo-soudanienne et valorisation des phosphates naturels,” Cahiers Agricultures, 7:365-371.

C-159** Bationo, A., I. Mahamane, A.C. Buerkert and C.L. Bielders. 1998. “Application à la volée de l’engrais phosphaté soluble ou naturel sur les cultures pluviales,” IN Technologies diffusables et transférables aux producteurs, (En Fr.), pp. 53-55, S.A. Ly, C.L. Bielders, N. van Duivenbooden, A. Tassiou, A.S. Gouro and K. Anand Kumar (Eds.), Niamey, Niger: Institut national de la recherche agronomique du Niger; et Patancheru 502324 Andrah Pradesh, Inde: Institut international de recherche sur les cultures des zones tropicales semi-arides. Dossier Technique.

C-160** Buerkert, A.C., B. Muehlig-Versen and A. Bationo. 1998. “Application de phosphore au poquet sous form d’engrais N-P-K sur le mil,” IN Technologies diffusables et transférables aux producteurs, (En Fr.), pp. 57-59, S.A. Ly, C.L. Bielders, N. van Duivenbooden, A. Tassiou, A.S. Gouro and K. Anand Kumar (Eds.), Niamey, Niger: Institut national de la recherche agronomique du Niger; et Patancheru 502324 Andrah Pradesh, Inde: Institut international de recherche sur les cultures des zones tropicales semi-arides. Dossier Technique.

C-161** Mahamane, I., A. Bationo, F. Seyni and Z. Hamidou. 1998. “Acquis récents des recherches sur les phosphates naturels du Niger,” IN Soil Fertility Management in West African Land Use Systems, pp. 73-78, G. Renard, A.

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Neef, K. Becker and M. von Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

C-162** Muehlig-Versen, B., A. Buerkert, A. Bationo and H. Marschner. 1998. “Crop Residue and Phosphorus Management in Millet-Based Cropping Systems on Sandy Soils of the Sahel,” IN Soil Fertility Management in West African Land Use Systems, pp. 31-40, G. Renard, A. Neef, K. Becker and M. von Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

C-163** Buerkert, A., M. Bagayoko, A. Bationo and H. Marschner. 1998. “Site-Specific Differences in the Response of Cereals and Legumes to Rock Phosphate, Crop Residue Mulch, and Nitrogen in the Sudano-Sahelian Zone of West Africa,” IN Soil Fertility Management in West African Land Use Systems, pp. 53-59, G. Renard, A. Neef, K. Becker and M. von Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

C-164 Iretskaya, S.N., S.H. Chien and R.G. Menon. 1998. “Effect of Acidulated of High Cadmium Containing Phosphate Rocks on Cadmium Uptake by Upland Rice,” Plant and Soil 201(2):183-188, abstract only.

C-166 Rao, I.M., D.K. Friesen and W.J. Horst. 1999. “Opportunities for Germplasm Selection to Influence Phosphorus Acquisition From Low-Phosphorus Soils,” Agroforestry Forum, 9(4):13-17.

C-167** Bationo, A. and K. Anand Kumar. 1999. “Phosphorus Use Efficiency as Related to Sources of P Fertilizers, Rainfall, Soil Crop Management, and Genotypes in the West African Semi-Arid Tropics,” IN Food Security in Nutrient-Stressed Environments: Exploiting Plants’ Genetic Capabilities, pp 57-59, International Workshop, September 27-30, 1999, JIRCAS and ICRISAT.

C-168** Chien, S.H., U. Singh, H. van Reuler and D.T. Hellums. 1999. “Phosphate Rock Decision Support Systems for Sub-Saharan Africa,” African Fertilizer Market, Special Issue on Soil Fertility, 12(12):15-22.

C-169** Van Reuler, H. and H. Breman. 1999. “Use of Phosphate Rock in Sub-Saharan Africa,” IN Meststoffen, pp. 75-81.

C-169a Oberson, A., D.K. Friesen, H. Tiessen, C. Morel, and W. Stahel. 1999. “Phosphorus Status and Cycling in Native Savanna and Improved Pastures on Acid Low-P Colombian Oxisol” Nutrient Cycling in Agroecosystems, 55:77-88.

C-170** Subbarao, G.V., C. Renard, W.A. Paynes and A. Bationo. 2000. “Long-Term Effects of Tillage, Phosphorus Fertilization and Crop Rotation on Pearl Millet-Cowpea Productivity in the West African Sahel,” Experimental Agriculture, Vol. 36, pp. 243-264.

C-171 Van Kauwenbergh, S.J. 2001. “Cadmium and Other Potential Hazards,” Fertilizer International, No. 380, January/February.

C-172 Mnkeni, P.N.S., S.H. Chien and G. Carmona. 2000. “Effectiveness of Panda Hills Phosphate Rock Compacted With Triple Superphosphate as Source of Phosphorus for Rape, Wheat, Maize, and Soybean,” Communications in Soil Science and Plant Analysis, 31(19&20):3163-3175.

C-173 Chien, S.H. and D.K. Friesen. 2000. “Phosphate Fertilisers and Management for Sustainable Crop Production in Tropical Acid Soils,” IN Management and Conservation of Tropical Acid Soils for Sustainable Crop Production, pp. 73-89, IAEA Tecdoc-1159, Proceedings of a consultants meeting organized by the Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture.

C-174 Buerkert, A., A. Bationo and Hans-Peter Piepho. 2001. “Efficient Phosphorus Application Strategies for Increased Crop Production in Sub-Saharan West Africa,” Field Crops Research, 72:1-15.

C-174a Oberson, A., D.K. Friesen, I.M. Rao, S. Buhler, and E. Frossard. 2001. “Phosphorus Transformations in an Oxisol under Contrasting Land-Use Systems: The Role of the Soil Microbial Biomass,” Plant and Soil, 237(2):197-210, abstract only.

C-175 Chien, S.H. 2002. “Evaluation of Available Phosphorus and Cadmium Associated With Phosphate Rock for Direct Application,” Assessment of Soil Phosphorus Status and Management of Phosphatic Fertilisers to Optimise Crop Production, IAEA-TECDOC-1272, pp. 54-72, International Atomic Energy Agency, Vienna, Austria.

C-176 Oberson, A., D.K. Friesen, I.M. Rao, S. Büehler and E. Frossard. 2001. “Phosphorus Transformations in an Oxisol Under Contrasting Land-Use Systems: The Role of the Soil Microbial Biomass,” Plant and Soil, 237:197-210.

C-177 Büehler, S., A. Oberson, I.M. Rao, D.K. Friesen and E. Frossard. 2002. “Sequential Phosphorus Extraction of a 33P-Labeled Oxisol Under

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Contrasting Agricultural Systems,” Soil Sci. Soc. Am. J., 66:868-877.

C-178 Van Kauwenbergh, S. 2001. “Heavy Metals and Other Trace Elements in Phosphate Rock and Fertilizers,” IN Proceedings of the 51st Annual Meeting The Fertilizer Industry Round Table 2001, pp. 85-112, St. Pete Beach, Florida, October 22-24, 2001.

C-179 Van Kauwenbergh, S.J. 2001. “Cadmium in Phosphate Rock and Fertilizers,” Paper presented at the TFI 2001 World Fertilizer Conference, Chicago, Illinois, http://www.tfi.org/meetings/tfi cadmium in phosphate rock and fertilizers.pdf (accessed July 19, 2002).

C-180 Masson, P., C. Morel, E. Martin, A. Oberson and D. Friesen. 2001. “Comparison of Soluble P in Soil Water Extracts Determined by Ion Chromatography, Colorimetric, and Inductively Coupled Plasma Techniques in PPB Range,” Communications in Soil Science & Plant Analysis, 32(13&14):2241-2253.

C-181 Jiménez, J.J., A. Cepeda, D.K. Friesen, T. Decaëns and A. Oberson. 2001. “Phosphorus Availability in Casts of an Anecic Savanna Earthworm in a Colombian Oxisol,” IN Nature’s Plow: Soil Macroinvertebrate Communities in the Neotropical Savannas of Colombia, pp. 199-211, J.J. Jiménez and R.J. Thomas (Eds.), CIAT, Cali, Colombia.

C-181a Kleinman, Peter J.A., A.N. Sharpley, K. Gartley, W.M. Jarrell, S. Kuo, R.G. Menon, R. Myers, K.R. Reddy and E.O. Skogley. 2001. “Interlaboratory Comparison of Soil Phosphorus Extracted by Various Soil Test Methods” Communications in Soil Science and Plant Analysis 32(15-16):2325-2345.

C-182 Mahisarakul, J., G.L. Mullins and S.H. Chien. 2002. “Use of Radioactive 32P Technique to Study Phosphate Rock Dissolution in Acid,” Assessment of Soil Phosphorus Status and Management of Phosphatic Fertilisers to Optimise Crop Production, IAEA-TECDOC-1272, pp. 256-264, International Atomic Energy Agency, February.

C-182a Van Kauwenbergh, S.J. 2002. “Cadmium Content of Phosphate Rocks and Fertilizers,” IN Proceedings of the IFA Technical Conference, Chennai, India, September 24-27, pp. 1-39.

C-183 Prochnow, L.I., S.H. Chien, R.W. Taylor, G. Carmona, J. Henao and E.F. Dillard. 2003. “Characterization and Agronomic Evaluation of Single Superphosphate Varying in Iron

Phosphate Impurities,” Agronomy Journal, 95:293-302.

C-184 Prochnow, L.I., C.A. Clemente, E.F. Dillard, A. Melfi and S. Van Kauwenbergh. 2001. “Identification of Compounds Present in Single Superphosphates Produced From Brazilian Phosphate Rocks Using SEM, EDX, and X-Ray Techniques,” Soil Science, 166(5):336-344.

C-185 Prochnow, L.I., S.H. Chien, E.F. Dillard, E.R. Austin, G. Carmona, J. Henao, U. Singh and R.W. Taylor. 2003. “Synthesis, Characterization, and Agronomic Evaluation of Iron Phosphate Impurities in Superphosphates,” Soil Sci. Soc. Am. J., 67:1551-1563.

C-186 Chien, S.H., G. Carmona, J. Henao and L.I. Prochnow. 2003. “Evaluation of Rape Response to Different Sources of Phosphate Rock in an Alkaline Soil,” Communications in Soil Science & Plant Analysis, 34:1825-1835.

C-187 Chien, S.H., G. Carmona, L.I. Prochnow and E.R. Austin. 2003. “Cadmium Availability from Granulated and Bulk-Blended Phosphate-Potassium Fertilizers,” J. Environmental Quality, 32:1911-1914.

C-188 Hill, John. 1979. “High-Analysis Ammonium Phosphate Fertilizers: The Least-Cost Source of N and P2O5,” World Crops, 31(4):152-154, 156.

C-189 Daroub S.H., A. Gerakis, J.T. Ritchie, D.K. Friesen and J. Ryan. 2003. “Development of a Soil-Plant Phosphorus Simulation Model for Calcareous and Weathered Tropical Soils,” Agricultural Systems, 76:1157-1181.

C-189a Buhler, A., A. Oberson, S. Sinaj, D.K. Friesen, and E. Froussard. 2003. “Isotope Methods for Assessing Plant Available Phosphorus in Acid Tropical Soils,” European Journal of Soil Science, 54:605-616.

C-189b Jimenez, Juan J., Alex Cepeda, Thibaud Decaens, Astrid Obseron, and Dennis K. Friesen. 2003. “Phosphorus Fractions and Dynamics in Surface Earthworm Casts under Native and Improved Grasslands in a Colombian Savanna Oxisol,” Soil Biology & Biochemistry, 35:715-727, doi: 10.1016/S0038-0717(03)00090-7.

C-190 Prochnow, L.I., S.H. Chien, G. Carmona and J. Henao. 2004. “Greenhouse Evaluation of Phosphorus Sources Produced from a Low-Reactive Brazilian Phosphate Rock,” Agronomy Journal, 96:761-768.

C-191 Al-Merey, R., M. Al-Hameish, S.H. Chien and A.F. Asfary. 2004. “Pi-Paper as an Evaluation

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Method of Available Phosphorus in Gypsum-Calcareous Soils,” Communications in Soil Science and Plant Analysis, 35(9&10):1357-1367.

C-192 Govere, M., S.H. Chien and R.H. Fox. 2004. Iron Oxide-Impregnated Paper vs. Bray-1 Soil-Test Methods Predicting Crop Response from Phosphate-Rock Sources,” Communications in Soil Science and Plant Analysis, 35(13&14):1981-1993.

C-193 Prochnow, L.I., E.F. Dillard, E.R. Austin, S.H. Chien and C.G. Calvo. 2003. “Modal Analysis to Estimate the Composition of Single Superphosphates,” Communications in Soil Science and Plant Analysis, 34(15&16):2131-2147.

C-194 Chien, S.H. 2004. “Chapter 8. Secondary Nutrients, Micronutrients, Liming Effect and Hazardous Elements Associated With Phosphate Rock Use,” IN Use of Phosphate Rocks for Sustainable Agriculture, F. Zapata and R.N. Roy (Eds.), pp. 77-83, FAO Fertilizer and Plant Nutrition Bulletin 13, Rome.

C-194a McClellan, G.H. and S.J. Van Kauwenbergh. 2004. “Chapter 2. World Phosphate Deposits,” IN Use of Phosphate Rocks for Sustainable Agriculture, F. Zapata and R.N. Roy (Eds.), pp. 11-15, FAO Fertilizer and Plant Nutrition Bulletin 13, Rome.

C-194b Van Kauwenbergh, S.J. and G.H. McClellan. 2004. “Chapter 3. Characterization of Phosphate Rocks,” IN Use of Phosphate Rocks for Sustainable Agriculture, F. Zapata and R.N. Roy (Eds.), pp. 17-26, FAO Fertilizer and Plant Nutrition Bulletin 13, Rome.

C-194c Chien, S.H. 2004. “Chapter 6. Soil Testing for Phosphate Rock Application,” IN Use of Phosphate Rocks for Sustainable Agriculture, F. Zapata and R.N. Roy (Eds.), pp 59-68, FAO Fertilizer and Plant Nutrition Bulletin 13, Rome.

C-194d Kuyvenhoven, A., S.H. Chien and E. Casanova. 2004. “Chapter 10. Economic Factors in the Adoption and Utilization of Phosphate Rocks,” IN Use of Phosphate Rocks for Sustainable Agriculture, F. Zapata and R.N. Roy (Eds.), pp. 99-116, FAO Fertilizer and Plant Nutrition Bulletin 13, Rome.

C-194e Chien, S.H. 2004. “Chapter 11. Legislation and Quality Control of Phosphate Rocks for Direct Application,” IN Use of Phosphate Rocks for Sustainable Agriculture, F. Zapata and R.N. Roy

(Eds.), pp. 117-123, FAO Fertilizer and Plant Nutrition Bulletin 13, Rome.

C-195 Ouédraogo, E., L. Brussaard, A. Mando and L. Stroosnijder. 2005. “Organic Resources and Earthworms Affect Phosphorus Availability to Sorghum After Phosphate Rock Addition in Semi-Arid West Africa,” Biol. Fertil. Soils, 41:458-465.

C-196 I.M. Rao, E. Barrios, E. Amezquita, D.K. Friesen, R. Thomas, A. Oberson and B.R. Singh. 2004. “Soil Phosphorus Dynamics, Acquisition and Cycling in Crop-Pasture-Fallow Systems in Low Fertility Tropical Soils: A Review from Latin America,” IN R.J. Delve and M.E. Probert (Eds.), Modelling Nutrient Management In Tropical Cropping Systems, Vol. 114, pp. 126-134. Australian Center for International Agricultural Research (ACIAR), Canberra, Australia.

C-196a Fofana, B., H. Breman, R.J. Carsky, H. Van Reuler, A.F. Tamelokpo and K.D. Gnakpenou. 2004. “Using Mucuna and P Fertilizer to Increase Maize Grain Yield and N Fertilizer Use Efficiency in the Coastal Savanna of Togo,” Nutrient Cycling in Agroecosystems 68:213-222.

C-197 Stewart, W.M., L.L. Hammond and S.J. Van Kauwenbergh. 2005. “Phosphorus as a Natural Resource,” IN Phosphorus: Agriculture and the Environment, Agronomy Monograph No. 46, pp.3-22, ASA, CSSA, SSSA, Madison, WI.

C-197a Fofana, B., A. Tamelokpo, M.C.S. Woperis, H. Breman, K. Dzotsi, and R.J. Carsky. 2005. “Nitrogen Use Efficiency by Maize as Affected by a Mucuna Short Fallow and P Application in the Coastal Savanna of West Africa,” Nutrient Cycling in Agroecosystems 71:227-237, DOI 10.1007/s10705-004-5084-0.

C-197b Govere, E.M., S.H. Chien and R.H. Fox. 2005. “Iron Oxide-Impregnated Paper vs. Bray-1 Soil-Test Methods Predicting Crop Response from Phosphate-Rock Sources,” Communications in Soil Science and Plant Analysis 35(13-14):1981-1993, abstract only.

C-198 Smalberger, Suzette A., Upendra Singh, Sen H. Chien, Julio Henao and Paul W. Wilkens. 2006. “Development and Validation of a Phosphate Rock Decision Support System,” Agronomy Journal, 98:471-483.

C-199 Govere, E.M., S.H. Chien and R.H. Fox. 2004. “Evaluation of Dissolution of Nonconventional Phosphate Fertilizers in Zimbabwe Soils: Effects

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of Soil Properties,” African Journal of Science and Technology, 5:73-82.

C-200 Govere, E.M., S.H. Chien and R.H. Fox. 2005. “An Evaluation of the Effectiveness of Nonconventional Phosphate Fertilizers Derived from Zimbabwe Phosphate Rock Using Ryegrass as a Test Crop,” African Journal of Science and Technology, 6:15-26.

C-200a Oberson, Astrid, Else K. Bunemann, Dennis K. Friesen, I.M. Rao, Paul C. Smithson, Benjamin L. Turner, and Emmanuel Frossard. 2006. “Improving Phosphorus Fertility in Tropical Soils through Biological Interventions,” Chapter 37, pp. 531-546, IN Biological Approaches to Sustainable Soil Systems, Norman Uphoff (Ed.), CRC Press. DOI: 10.1201/9781420017113.ch37.

C-201 Francisco, E.A.B., S. H. Chien, L. I. Prochnow, E. R. Austin, M.C.M. Toledo, and R. W. Taylor. 2008. “Characterization and Greenhouse Evaluation of Brazilian Calcined Nonapatite Phosphate Rocks for Rice,” Agronomy Journal, 100(3):819-829.

C-201a Smalberger, Suzette, Sen H. Chien, Upendra Singh and Julio Henao. 2009. “Relative Agronomic Effectiveness of Phosphate Rock Compared With Triple Superphosphate for Initial Canola, Wheat, or Ryegrass, and Residual Wheat in Two Acid Soils,” Soil Science 175(1):36-43.

C-201b Dossa, E.L., J. Baham, M. Khouma, M. Sene, F. Kizito and R.P. Dick. 2008. “Phosphorus Sorption and Desorption in Semiarid Soils of Senegal Amended with Native Shrub Residues,” Soil Science 173(10):669-682.

C-202 Dzotsi, K.A., J.W. Jones, S.G.K. Adiku, J.B. Naab, U. Singh, C.H. Porter and A.J. Gijsman. 2010. “Modeling Soil and Plant Phosphorus Within DSSAT,” Ecological Modelling, pp. 2839-2849.

Reprints – Miscellaneous D-1 Stangel, P. J. 1974. “Impact of the Energy Crisis

and Other Factors on the Fertilizer Industry of Asia,” IN Impact of Fertilizer Shortage: Focus on Asia, pp. 81-152.

D-2 Livingston, O. W. 1977. “Small-Scale Chemical Fertilizer Technology,” IN Rural Small-Scale Industry in the People’s Republic of China, pp. 154-176.

D-3 Stangel, P.J. 1975. “Market Trends and Agronomic Suitability of Key Fertilizers Commonly Sold in World Trade,” IN FAI-FAO Seminar on Optimising Agricultural Production Under Limited Availability of Fertilisers, 1974, pp. I/101-130.

D-4 Stangel, P.J. 1975. “Some Aspects of U.S. Policy in Determining the Future Role of Fertilizer in Combating World Food Problems,” IN TVA Fertilizer Conference, Bulletin Y-96, Tennessee Valley Authority, Muscle Shoals, Alabama.

D-5 Diamond, R.B. and P.J. Stangel. 1976. “Fertilizer Grades Needed in Overseas Markets,” 172nd ACS Meeting (Held in San Francisco, California), Fertilizer Section, Abstract No. 6.

D-6 McCune, D.L. 1976. “International Fertilizer Development Center’s Activities,” IN 25th Annual Meeting, Fertilizer Industry Round Table, Proceedings, pp. 12-15, Washington, D.C.

D-7 Stangel, P.J., J.H. Allgood and M.N. Sanchez. 1976. “World Fertilizer Situation 1976–1980,” IN Second Latin American Conference on Fertilizer, Caracas, Venezuela.

D-8 Waggoner, D.R., R.L. Booth and M.T. Frederick. 1976. “The International Fertilizer Development Center’s Data Processing System and the Role in Supplying Fertilizer Research and Development,” IN Proceedings of the 26th Annual Meeting, Fertilizer Industry Round Table, pp. 26-34, Atlanta, Georgia.

D-9 Pinstrup-Andersen, P. 1976. “Preliminary Estimates of the Contribution of Fertilizer to Cereal Production in Developing Market Economies,” Journal of Economics, 11:169-172.

D-10 Scheib, R.B. and G.H. McClellan. 1977. “Application of SEM to Chemical Fertilizers,” Scanning Electron Microscopy, Vol. I, pp. 147-154.

D-11 Stangel, P.J. 1977. “World Fertilizer Reserves in Relation to Future Demand,” IN Plant Adaptation to Mineral Stress in Problem Soils, pp. 31-46, Cornell University, New York, New York.

D-12 Chuang, Y.H. 1977. “Evolving a National Fertiliser Data System in a Developing Country,” IN FAI/IFDC Fertiliser Seminar, 1977, Trends in Consumption and Production, Proceedings, MKTG-II/4, pp. 1-12.

D-13 Hignett, T.P. 1977. “Prilling Compound Fertilisers,” IN FAI/IFDC Fertiliser Seminar,

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1977, Trends in Consumption and Production, Proceedings, TECH-II/6, pp. 1-5.

D-14 Mudahar, M.S. and P.P. Andersen. 1977. “Fertilizer Policy Issues and Implications in Developing Countries,” IN FAI/IFDC Fertiliser Seminar, 1977, Trends in Consumption and Production, Proceedings, PS/2, pp. 1-20.

D-15 Parish, D.H., and S.K. De Datta. 1977. “Rice Fertilisation for Optimum Yield,” IN FAI/IFDC Fertiliser Seminar, 1977. Trends in Consumption and Production, Proceedings, AGR II/1, pp. 1-12.

D-16 McCune, D.L. and C.H. Davis. 1978. “Fertilizers,” IN Chemistry and the Food System, American Chemical Society, Washington, D.C.

D-17 Mudahar, M.S. 1978. “Needed Information and Economic Analysis for Fertilizer Policy Formulation,” Indian Journal of Agricultural Economics, 33(3):40-67.

D-18 Vlek, P.L.G. and W.L. Lindsay. 1978. “Potential Use of Finely Disintegrated Iron Pyrite in Sodic and Iron-Deficient Soils,” Journal of Environmental Quality, 7(1):111-114.

D-18a Klem, F. J. 1978. “Fluid Fertilizer Production and Use in Developing Countries,” IN Products and Techniques for Plant Nutrient Efficiency, pp. VII-1-VII-8, Proceedings of the British Sulphur Corporation’s Second International Conference on Fertilizers.

D-19 Bishop, W.D. and M.S. Mudahar. 1979. “Fertilizer: Solving the Food Problems for the Developing World,” Ammonia Plant Safety, 21:1-8.

D-20 Hignett, T.P. 1979. “Fertilizer Needs in Developing Countries,” Farm Chemicals, 142(2):62-66.

D-21 Livingston, O.W. 1979. “A Look at Fertilizer Production in Red China,” Farm Chemicals, 142(3):100-101.

D-22 Sidhu, S.S. and C.A. Baanante. 1979. “Farm-Level Fertilizer Demand for Mexican Wheat Varieties in the Indian Punjab,” American Journal of Agricultural Economics, August, pp. 455-462.

D-23 Hignett, T.P. 1979. “Technology of Production of Fertilizers Containing Ca, Mg, and S,” Suelos Ecuatoriales, 10(2):245-257.

D-24 Mudahar, M.S. 1979. “Fertilizer Subsidies and the Small Farmer: Summary,” IN Proceedings of a Workshop on Price and Income Supports and

Their Impact on the Small Farmer (Held in Bangkok, Thailand), Food and Agriculture Organization of the United Nations (FAO), Rome, Italy.

D-25 Stangel, P.J. and T.P. Hignett. 1979. “IFDC’s Efforts to Improve Efficiency of Fertilizer Use,” IN FAI Seminar 1979 on Critical Areas Affecting Fertiliser Consumption in India, II-2(ii)1-52, New Delhi, India.

D-26 Hignett, T.P. 1980. “Fertilizer Studies for Developing Countries,” IN 30th Annual Meeting, Fertilizer Industry Round Table, Proceedings, pp. 103-108, Atlanta, Georgia.

D-27 Williams, L.B. 1980. “Suggestions From IFDC,” (IFDC Activities That Help Developing Countries Establish A Fertilizer Industry), IN Cooperation Among Developing Countries in the Fertilizer Industry, pp. 37-42, United Nations Industrial Development Organization, Vienna, -Austria.

D-28 Baanante, C.A. and S.S. Sidhu. 1980. “Input Substitution and Agricultural Research,” Indian Journal of Agricultural Economics, July-September, pp. 20-33.

D-29 Byrnes, K.J. 1980. “Content, Criterion, and Construct Validation: Alternative Approaches to Validity Assessment of the Guttman-Type Scale of Community Differentiation,” Comparative Rural and Regional Studies, Occasional Paper No. 2, Research on Rural Structure, pp. 14-30.

D-30 McClellan, G.H. 1980. “Mineralogy of Carbonate Fluorapatites,” Journal of the Geological Society, 137(6):675-681.

D-31 Stangel, P.J. 1980. “The World Fertilizer Sector– At a Crossroads,” IN Food Situation and Potential in the Asian and Pacific Region, pp. 73-118, ASPAC-FFTC Book Series No. 17, Taipei, Taiwan.

D-32 Tejeda, H.R., C.W. Hong and P.L.G. Vlek. 1980. “Comparison of Modified Urea Fertilizers and Estimation of Their Availability Coefficient Using Quadratic Models,” Soil Science Society of America Journal, 44(6):1256-1262.

D-33 Sidhu, S.S. and C.A. Baanante. 1981. “Estimating Input Demand and Wheat Supply in the Indian Punjab Using a Translog Profit Function,” American Journal of Agricultural Economics, May, pp. 237-246.

D-34 Tejeda, H.R. 1981. “Testing the Difference Between Limiting Yields in Quadratic Fertilizer

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Response Curves,” Agronomy Journal, 73:136-138.

D-35 Mudahar, M.S. 1982. “Backward and Forward Linkages in Agricultural Sector Analysis Models,” IN Agricultural Sector Analysis in Asia, pp. 255-288, Max R. Langham and Ralph H. Retzlaff (Eds.), Singapore University Press for the Agricultural Development Council.

D-36 Hignett, T.P. and M.S. Mudahar. 1982. “Energy Consumption in North American Fertilizer Plants and Potential Savings,” IN Proceeding of Technical Conference (Held in Kallithea, Greece, October 5-7, 1982), International Fertilizer Association, Paris, France.

D-37 Ashby, J.A. and G. de Jong. 1982. “Farmer Field Preparation and Tillage Practices: Implications for Fertilizer Technology Research,” Soil and Tillage Research, 2:331-346.

D-38 McCune, D.L. and P.J. Stangel. 1982. “Problems and Priorities of Research in Soil Fertility and Fertilizers,” IN Whither Soil Research, pp. 181-211, Transactions of the 12th International Congress of Soil Science, New Delhi, India.

D-39 Thompson, M.K. 1982. “Fertilizer: Part of the Production Puzzle,” Horizons, pp. 23-25, U.S. Agency for International Development, September/October.

D-40 Schultz, J.J. and W.E. Clayton. 1981. “Fertilizer Bagging and Blending–Some Experiences in Developing Countries,” IN The Distribution and Use of Fertilizers in a Developing Region of Brazil, October 27-30, pp. 71-116.

D-41 Tejeda, H.R., D.C. Godwin and S.S. Sidhu. 1982. “Conceptual Models for Maximizing Fertiliser Use Efficiency,” IN FAI National Seminar 1981 on Strategies for Achieving Fertiliser Consumption Targets and Improving Fertiliser Use Efficiency, New Delhi, India, II-1/1-26.

D-42 Hignett, T.P. and D.H. Parish. 1983. “Appropriate Fertilizer Technology for Developing Countries,” IN Fertilizer ’83: International Conference, Proceedings (Held in London, England, November 13–16, 1983), pp. 347-359, British Sulphur Corp., Ltd., London.

D-43 Cooke, G.W., C.H. Davis, T.P. Hignett and O.W. Livingston. 1983. “Technology Solutions to the Fertilizer Industry’s Current Problems,” IN Fertilizer ’83: International Conference, Proceedings (Held in London, England,

November 13–16, 1983), pp. 33-60, British Sulphur Corp., Ltd., London.

D-44 Livingston, O.W. 1982. “Fertilizer Technology Research–New Developments,” Journal of -Technology and Development, No. 4, pp. 87-94.

D-45 McCune, D.L. 1983. “Developing More Efficient Fertilizers Through Formulation, Manufacturing, and Distribution Technology,” IN Chemistry and World Food Supplies: The New Frontiers, CHEMRAWN II (Held in Manila, Philippines, December 6–10, 1982), pp. 21-33, Pergamon Press, Oxford, England.

D-46 Hignett, T.P. 1983. “Mineral Raw Materials for Fertilizers and Soil Amendments,” IN AGID Guide to Mineral Resources Development, pp. 425-439, Association of Geoscientists for International Development, Bangkok, Thailand.

D-47 Herdt, R.W. and P.J. Stangel. 1984. “Population, Rice Production, and Fertilizer Outlook,” IN Or-ganic Matter and Rice, pp. 1-34, International Rice Research Institute, Los Baños, Laguna, Philippines.

D-48 McCune, D.L. 1982. “Tailoring Fertilizers to -Developing-Country Agriculture,” Farm Chemicals, 145(6):10-11.

D-49 Sheldon, V.L., D.L. McCune and D.H. Parish. 1984. “Fertilizers in Africa’s Agricultural Future,” Advancing Agricultural Production in Africa, Proceedings of First Scientific Conference of the Commonwealth Agricultural Bureaux, Arusha, Tanzania.

D-50 Sillanpaa, M. and P.L.G. Vlek. 1985. “Micronutrients and the Agroecology of Tropical and Mediterranean Regions,” Fertilizer Research, 7:151-167.

D-51 Kanwar, J.S. and L.J. Youngdahl. 1985. “Micronutrient Needs of Tropical Food Crops,” Fertilizer Research, 7:43-67.

D-52 Harmsen, K. and P.L.G. Vlek. 1985. “The Chemistry of Micronutrients in Soil,” Fertilizer Research, 7:1-42.

D-53 Hignett, T. P., and G.H. McClellan. 1985. “Sources and Production of Micronutrient Fertilizers,” Fertilizer Research, 7:237-260.

D-54 Balasubramanian, V., L. Singh, L.A. Nnadi and A.U. Mokwunye. 1984. “Fertility Status of Some Upland Savanna Soils of Nigeria Under Fallow and Cultivation,” Samaru Journal of Agricultural Research, 2(1 and 2):13-23.

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D-55 Hignett, T.P. and M.S. Mudahar. 1985. “Energy Consumption in the World Fertilizer Sector,” -Fertilizer Technology, 1(1):39-65.

D-56 Harris, G.T. 1984. “Fertiliser Demand Projection Methods,” Fertiliser News, 29(10):17-21.

D-57 Stangel, P.J. 1985. “Changes in the Form and Price of Fertilizer: A Global Perspective,” ASPAC Food and Fertilizer Technology Center, Extension Bulletin No. 217, Taipei, Taiwan, Republic of China.

D-58 Clayton, W.R. 1986. “A Probabilistic and Least-Squares/Match Procedure,” Advances in X-Ray Analysis, 29:185-192.

D-59 Pretty, K.M. and P.J. Stangel. 1985. “Current and Future Use of World Potassium,” Potassium in Agriculture, pp. 99-128, American Society of Agronomy, Madison, Wisconsin.

D-60 Darus, M.S.B. and J.J. Schultz. 1985. “Implementation of a Urea-Based NPK Granulation Plant in Malaysia,” Fertilizer Technology, 1(2):265-280.

D-61 Iwuafor, E.N.O., V. Balasubramanian and A.U. Mokwunye. 1980. “Potassium Status and Availability in the Sudan Savanna Zone in Nigeria,” Potassium Workshop, pp. 97-109. (Jointly organized by the International Institute of Tropical Agriculture and the International Potash Institute), Ibadan, Nigeria.

D-62 Mokwunye, A.U. and P.L.G. Vlek. 1986. “Feeding the Crops That Feed the African People,” Agribusiness Worldwide, 8(1):6-8.

D-63 Ashby, J.A. 1986. “Methodology for the Participation of Small Farmers in the Design of On-Farm Trials,” Agricultural Administration, 22:1-19.

D-64 Ashby, J.A. and P.L.G. Vlek. 1986. “Farming Systems Research and the International Fertilizer Development Center,” IN Proceedings of the Workshop on Farming Systems Research, pp. 65-67, ICRISAT, India.

D-65 Schultz, J.J. and T.P. Hignett. 1985. “Granulation of Fertilizers: History, Current Practices, and Future Trends,” 4th International Symposium on Agglomeration, pp. 339-355, C.E. Capes (Ed.), Toronto, Canada.

D-65a Weeraratna, C. Stanley and E.T. Craswell. 1985. “Nitrogen Losses from Labelled Ammonium Sulphate and Urea Applied to a Flooded Rice Soil,” IN Fertilizer Research 6:199-203.

D-65b Kanwar, J.S. and L.J. Youngdahl. 1985. “2. Micronutrient Needs of Tropical Food Crops,” IN Fertilizer Research 7(1):43-67.

D-65c Katyal, J.C. and P.L.G. Vlek. 1985. “3. Micronutrient problems in Tropical Asia,” IN Fertilizer Research 7(1):69-94.

D-65d Léon, L.A., A.S. Lopez and P.L.G. Vlek. 1985. “4. Micronutrient Problems in Tropical Latin America,” IN Fertilizer Research 7(1):95-129.

D-66 Thompson, M.K. 1986. “Fertilizer Center Slated for Africa,” Farm Chemicals International, I(1):80E-80F.

D-67 Thompson, M.K. 1986. “Developing Africa’s Phosphate Resources,” Farm Chemicals International, I(2):44T-44V.

D-68 Mudahar, M.S. and T.P. Hignett. 1987. “Fertilizer and Energy Use in the Agricultural Sector,” IN Energy in World Agriculture Handbook, Vol. II, Chap. 1, Z.R. Helsel (Ed.), Elsevier Science Publishers, Amsterdam, The Netherlands.

D-69 Jennekens, M.H.G. 1987. “The Importance of Critical Relative Humidity-Temperature Relationship on Design of Rotary Dryers for Fertilizers,” Fertilizer Research, 12:175-184.

D-70 Mudahar, M.S. and T.P. Hignett. 1987. “Energy Requirements, Technology, and Resources in the Fertilizer Sector,” IN Energy in World Agriculture Handbook, Vol. II, Chap. 2, Z.R. Helsel (Ed.), Elsevier Science Publishers, Amsterdam, The Netherlands.

D-71 Mudahar, M.S. and T.P. Hignett. 1987. “Energy Efficiency, Economics, and Policy in the Fertilizer Sector,” IN Energy in World Agriculture Handbook, Vol. II, Chap. 6, Z.R. Helsel (Ed.), Elsevier Science Publishers, Amsterdam, The Netherlands.

D-72 Hammond, L.L. 1987. “An Inorganic Fertilizer for Low-Input Farming Systems,” 1988, IN McGraw Hill Yearbook of Science and Technology, pp. 134-136, New York, New York.

D-73 McCune, D.L. 1985. “Successful Market Development Programs: The Case for Bangladesh,” IN Proceedings, pp. 137-156, The Fertilizer Institute, World Fertilizer Conference, September 8-10, 1985, New York, New York.

D-74 McCune, D.L. 1984. “Recent Advances in Fertilizer Research and Evaluation,” IN Proceedings of the Fifth ASEAN Soil

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Conference, June 10-23, 1984, Bangkok, Thailand.

D-75 McCune, D.L. 1981. “Meeting the Needs of Tropical and Subtropical Agriculture,” Farm Chemicals (June), pp. 57-72.

D-76 Stangel, P.J. 1984. “Recent Developments in International Fertilizer Research,” IN World Food Dilemma, Summary Report of World Food Production Conference of International Minerals & Chemical Corporation, Honolulu, Hawaii, October 28–November 3, 1984.

D-77 Otter-Nacke, S., D.C. Godwin and J.T. Ritchie. 1986. Testing and Validating the CERES-Wheat Model in Diverse Environments, Joint Publication With U.S. Department of Agriculture, Agricultural Research Service, Grassland Soil and Water Research Laboratory, Temple, Texas.

D-78 Mudahar, M.S. 1987. “Measuring the Contribution of Fertilizer to Food Production,” Indian Journal of Quantitative Economics, 3(2):1-19 (OUT OF PRINT).

D-79 Mudahar, M.S. 1987. “Manpower Requirements for the Fertilizer Sector in Sub-Saharan Africa,” Fertilizer Research, 15:111-122.

D-80 Vlek, P.L.G. and W.L. Lindsay. 1977. “Thermodynamic Stability and Solubility of Molybdenum Minerals in Soils,” Soil Science Society of America Journal, 41:42-46.

D-81 Vlek, P.L.G. and W.L. Lindsay. 1977. “Molybdenum Contamination in Colorado Pasture Soils,” IN Molybdenum in the Environment, Vol. II, pp. 619-650, W.K. Chappell and K. Kellogg Petersen (Eds.), Marcel Dekker, Inc., New York, New York.

D-82 Katyal, J.C., C.W. Hong and P.L.G. Vlek. 1987. “Fertilizer Management in Vertisols,” IN Management of Vertisols Under Semi-Arid Conditions, pp. 247-266, IBSRAM Proceedings No. 6, IBSRAM, Bangkok, Thailand.

D-83 Ashby, J.A. 1987. “The Effects of Different Types of Farmer Participation on the Management of On-Farm Trials,” Agricultural Administration and Extension, 25:235-252.

D-84 Youngdahl, L.J. 1988. “Method for the Estimation of Nutrient Uptake Kinetic Parameters Using Nonparametric Statistics,” Journal of Plant Nutrition, 11(3):321-331.

D-85 Parish, D.H. 1987. “The Role of Fertilizers in Increasing Food Productivity in Developing

Countries,” IN Memorie Di Scienze Fisiche E Naturali, Serie V, Vol. XI, Parte II, Presented at the International Meeting “Towards a Second Green Revolution: From Chemical to New Biological Technologies in Agriculture in the Tropics,” September 8-10, 1986, Accademia Nazionale Delle Scienze Detta Dei XL, 105 Dalla Fondazione, Rome, Italy.

D-86 Parish, D.H. 1988. “Sustaining Yields With Properly Balanced Inputs,” Custom Applicator, April, pp. 54-62.

D-87 Stangel, P.J. and G.T. Harris. 1987. “Trends in Production, Trade, and Use of Fertilizers. A Global Perspective,” Efficiency of Nitrogen Fertilizers for Rice, Proceedings of the Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, Australia, April 10-16, 1985.

D-88 “IFDC Steps Up Training Programmes,” Fertilizer International, No. 271, March 1989, pp. 15-18.

D-89 Giroti, R.S. and D.H. Parish. 1988. “IFDC Training Programs,” Presented at the International Agricultural Research Centers’ Workshop on Human Resource Development Through Training, International Potato Center, Lima, Peru.

D-90 Stangel, P.J. 1986. “Forms and Types of Fertilizer Available and Application Methods to Optimize Use,” IN Proceedings of the International Conference on the Management and Fertilization of Upland Soils in the Tropics and Subtropics, September 7-11, 1986, Nanjing, People’s Republic of China.

D-91 Stangel, P.J. 1988. “The Role of Fertilizer in Fostering Economic Development in Sub-Saharan Africa,” Presented at Workshop on Transfer of Fertilizer Technology, September 28-30, 1988, Lomé, Togo.

D-92 Stangel, P.J. 1988. “Factors Affecting Fertilizer Exports to Asia: A 1989 Perspective,” Presented at Fertilizer Outlook 1989, Sponsored by The Fertilizer Institute, November 30–December 1, 1988, Washington, D.C.

D-93 Stangel, P.J. and H.R. von Uexkull. 1989. “Regional Food Security: Demographic and Geographic Implications,” Presented at the International Symposium on Phosphorus Requirements for Sustainable Agriculture in Asia and Oceania, March 6-10, 1989, International Rice Research Institute, Manila, Philippines.

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D-94 Rhodes, E.R. 1988. “Africa–How Much Fertilizer Needed: Case Study of Sierra Leone,” Fertilizer Research, 17:101-118.

D-95 Rutland, D.W. and C.A. Cole, Jr. 1987. “Vital Areas of Management Concern in Dry-Blend Dealerships,” Fertilizer Progress, 18(1):34-51.

D-96 Balay, H.L., C.A. Cole and D.W. Rutland. 1982. “Bulk Blending Mixing Efficiency Tests,” IN Proceedings of the 32nd Annual Meeting of the Fertilizer Industry Round Table, Atlanta, Georgia.

D-97 Rutland, D.W. 1984. “Comparison of Hygroscopic Properties of Mixtures of Granular Materials and Granulated Mixtures,” IN Proceedings of the 34th Annual Meeting of the Fertilizer Industry Round Table, Baltimore, Maryland.

D-98 Cole, C.A., Jr., H.L. Balay and D.W. Rutland. 1985. “Bulk Blending-Mixing Efficiency Test,” IN Proceedings of the 35th Annual Meeting of the Fertilizer Industry Round Table, Atlanta, Georgia.

D-99 Balay, Hubert L., Carl A. Cole, Jr. and David W. Rutland. 1985. “Efficiency of Fertilizer Blending Equipment,” Presented at the Association of American Plant Food Control Officials 39th Annual Meeting, August 6-7, 1985, St. Paul, Minnesota.

D-100 Rutland, D.W. and J.R. Polo. 1990. “Comparative Properties of Urea-Based NPK Fertilizers,” IN Proceedings of the 39th Annual Meeting of the Fertilizer Industry Round Table, Atlanta, Georgia.

D-101 Coster, R. 1989. “Importation of Fertilizer in Niger,” African Fertilizer Market, 2(7):3-4.

D-102 Kremer, R.J., J. Polo and H.L. Peterson. 1982. “Effect of Suspending Agent and Temperature on Survival of Rhizobium in Fertilizer,” Soil Science Society of America Journal, 46(3):539-542.

D-103 Christianson, C.B., B.H. Byrnes and G. Carmona. 1990. “A Comparison of the Sulfur and Oxygen Analogs of Phosphoric Triamide Urease Inhibitors in Reducing Urea Hydrolysis and Ammonia Volatilization,” Fertilizer R-esearch, 26:21-27.

D-104 Pachico, Douglas and J.A. Ashby. 1983. “Stages in Technology Diffusion Among Small Farmers: Biological and Management Screening of a New Rice Variety in Nepal,” Agricultural Administration, 13:23-37.

D-105 Christianson, C.B., A. Bationo and W. Baethgen. 1990. “The Effect of Soil Tillage and Fertilizer Use on Pearl Millet Yields in Niger,” Plant and Soil, 123:51-58.

D-106 Singh, U., D.C. Godwin, C.G. Humphries and J.T. Ritchie. 1989. “A Computer Model to Predict the Growth and Development of Cereals,” IN Proceedings of the 1989 Summer Computer Simulation Conference, pp. 668-675, July 24-27, 1989, Austin, Texas.

D-107 Bationo, A., C.B. Christianson and A.U. Mokwunye. 1989. “Soil Fertility Management of the Pearl Millet-Producing Sandy Soils of Sahelian West Africa: The Niger Experience,” IN Proceedings of Symposium on Soil, Crops, and Water Management in the Sudano-Sahelian Zone, Patancheru, India.

D-108 Singh, U., G.Y. Tsuji and D.C. Godwin. 1991. “The Decision Support System for Agrotechnology Transfer: Uses in Rice Research,” IN Rice Production on Acid Soils of the Tropics, pp. 279-286, Institute of Fundamental Studies, Kandy, Sri Lanka.

D-111 Sannint, L.R. and A. Martinez. 1989. “Impacto de los Fertilizantes en la Agricultura Contemporanea,” Suelos Ecuatoriales, Volumen XX, No. 1, pp. 7-22.

D-112 Kapusta, E.D. 1990. “International Fertilizer Development Center Training and Technical Assistance Activities: A Review,” Fertilizer Research, 23:43-61.

D-113 Hignett, T.P. 1987. “Outlook, Concepts, Definitions, and Scientific Organizations for the Fertilizer Industry,” IN Manual of Fertilizer Processing, pp. 1-33, F.T. Nielsson (Ed.), Marcel Dekker, Inc., New York.

D-114 Christianson, C.B., W.E. Baethgen and A. Bationo. 1989. “On-Farm Evaluation of Crop and Fertilizer Management Strategies for Pearl Millet Production in Niger,” IN Soil Quality in Semiarid Agriculture; Volume II:Local and Regional Concerns on Soil Quality, pp. 86-94, John W.B. Stewart (Ed.), Saskatchewan Institute of Pedology, University of Saskatchewan, Saskatoon, Canada S7N 0W0.

D-115 Henao, J.M. 1990. “Metodos Computarizados para el Uso Eficiente de Fertilizantes,” Suelos Ecuatoriales, Volumen XX, No. 1.

D-116 Bumb, B.L. 1991. “Trends in Fertilizer Use and Production in Sub-Saharan Africa, 1970-95: An Overview,” Fertilizer Research, 28:41-48.

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D-117 Stangel, P.J. 1990. “Future Fertilizer Marketing Opportunities,” IN Proceedings of The Fertilizer Institute’s 1990 World Fertilizer Conference, pp. 130-158, September 16-18, San Francisco, -California.

D-118 Vlek, P.L.G. 1990. “The Role of Fertilizers in Sustaining Agriculture in Sub-Saharan Africa,” Fertilizer Research, 26:327-339.

D-119 Williams, L.B. and J.J. Schultz. 1990. “A Fertil-izer Supply Strategy for Sub-Saharan Africa,” IN Proceedings, Workshop 1989, Feeding the Future: Agricultural Development Strategies for Africa, pp. 125-153, C.R. Dowswell (Ed.), CASIN/Sasakawa Africa Association/Global 2000, August 1-3, 1989, Accra, Ghana.

D-120 McClellan, G.H. and S.J. Van Kauwenbergh. 1991. “Mineralogical and Chemical Variation of Francolites,” Journal of the Geological Society, Geological Society Publishing House, England.

D-121 Bationo, A. and A.U. Mokwunye. 1991. “Role of Manures and Crop Residue in Alleviating Soil Fertility Constraints to Crop Production: With Special Reference to the Sahelian and Sudanian Zones of West Africa,” Fertilizer Research, 29:117-125.

D-122 Bationo, A. and A.U. Mokwunye. 1991. “Alleviating Soil Fertility Constraints to Increased Crop Production in West Africa: The Experience in the Sahel,” Fertilizer Research, 29:95–115.

D-123 Wong, M.T.F., A. Wild and A.U. Mokwunye. 1991. “Overcoming Soil Nutrient Constraints to Crop Production in West Africa: Importance of Fertilizers and Priorities in Soil Fertility Research,” Fertilizer Research, 29:45-54.

D-124 Rutland, D.W. 1991. “The Effect of Fertilizer Physical Properties on Product Quality and the Methods Used to Evaluate Them,” Presented at the FADINAP Asia Pacific Regional Symposium on Fertilizer Legislation, Ho Chi Minh City, Viet Nam.

D-125 Klein, M.O. 1991. “Crystallization of Potassium Sulfate From Potassium Chloride and Glaserite Reaction in Water,” Presented at KALI 91, Second International Potash Technology Conference, Hamburg, Germany.

D-126 Vlek, P. and D. Pierre. 1989. “Contribution de l’IFDC a l’Autosuffisance Alimentaire des Pays de l’Afrique de l’Ouest,” IN Les Actes du Seminaire National Sur l’Amenagement des Sols, la Conservation de l’Eau, et la Fertilisation,

pp. 233-237, A. Berrada, I. Mahaman and M. Gandah (Eds.), l’Institut National de Recherches Agronomiques du Niger, Tahoua, République du Niger.

D-127 Bationo, A., U. Mokwunye and C.B. Christianson. 1989. “Gestion de la Fertilite des Sols Sableux au Niger: Un Apercu de Quelques Resultats de Recherche de l’IFDC/ICRISAT,” IN Les Actes du Seminaire National Sur l’Amenagement des Sols, la Conservation de l’Eau, et la Fertilisation, pp. 177-194, A. Berrada, I. Mahaman and M. Gandah (Eds.), l’Institut National de Recherches Agronomiques du Niger, Tahoua, République du Niger.

D-128 Geiger, S.C., A. Manu and A. Bationo. 1989. Modification des Proprietes Chimiques d’un sol Dunaire Suite a des Apports a Long Terme de Residue et e’Engrais,” IN Les Actes du Seminaire National sur l’Amenagement des Sols, la Conservation de l’Eau, et la Fertilisation, pp. 129-139, A. Berrada, I. Mahaman and M. Gandah (Eds.), l’Institut National de Recherches Agronomiques du Niger, Tahoua, République du Niger.

D-129 Rutland, D.W. 1991. “Fertilizer Caking: Mechanisms, Influential Factors, and Methods of Prevention,” Fertilizer Research, 30:99-114.

D-130 Bationo, A., B.J. Ndunguru, B.R. Ntare, C.B. Christianson and A.U. Mokwunye. 1991. “Fertilizer Management Strategies for Legume-Based Cropping Systems in the West African Semi-Arid Tropics,” IN Phosphorus Nutrition of Grain Legumes in the Semi-Arid Tropics, pp. 213-226, C. Johnson, K.K. Lee and K.L. Sahrawat (Eds.), ICRISAT, Patancheru, A.P. 502 324, India.

D-131 Williams, L.B. 1991. “Establishing a Viable Fertilizer Sector in African Countries,” Fertilizer Research, 30:279-296.

D-133 Singh, U. and P.K. Thornton. 1992. “Using Crop Models for Sustainability and Environmental Quality Assessment,” Outlook on Agriculture, 21(3):209-218.

D-134 Harris, G.T. 1985. “Forecasting Fertilizer Demand–Matching Methods With Means,” Fertilizer International, 194(5):14-21.

D-135 Stangel, P.J. 1991. “Plant Nutrients in a Sustainable Land Management System,” IN Evaluation for Sustainable Land Management in the Developing World, pp. 327-355, Workshop Proceedings, Chiang Rai, Thailand. IBSRAM Proceedings No. 12(2).

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D-135a Johnson, Ampah K. 1991. “Opportunities to Develop West African Agrominerals,” IN UNIDO-NFC Workshop on Appropriate Strategies for Fertilizer Technology and Development, pp. 185-188, Workshop Proceedings.

D-136 Schultz, J.J. and D.W. Rutland. 1992. “A Gauntlet at the Industry’s Feet,” Fertilizer International, No. 316, pp. 33-40.

D-137 Jones, P.G. and P.K. Thornton. 1993. “A Rainfall Generator for Agricultural Applications in the Tropics,” Agricultural and Forest Meteorology, 63:1-19.

D-138 Schultz, J.J. and N.D. Le. 1988. “Phosphate Fertiliser Production Alternatives and Cost Optimisation,” IN Towards Self Reliance in Fertiliser Sector, pp. SIV/1–1–SIV/1–17, Proceedings of FAI Seminar, The Fertiliser Association of India, New Delhi.

D-139 Bumb, B.L. 1992. “Subsidy Removal and Fertiliser Decontrol, A Global Perspective,” IN Fertiliser and Food Security, Proceedings of FAI Seminar, pp. SI/2–1–SI/2–18, The Fertiliser Association of India, New Delhi.

D-140 Bumb, B.L. 1993. “Global Fertilizer Perspective: Some Observations,” IN Fertilizer Pricing– Issues Related to Subsidies, pp. 43-67, Vidya Sagar (Ed.), Institute of Development Studies, Jaipur, India.

D-141 Saka, A.R., U. Singh and P.K. Thornton. 1992. “Using Models to Boost Malawi’s Maize Production,” Agrotechnology Transfer, No. 15, pp. 7-15.

D-142 Fawcett, R.H., M. Webster, P.K. Thornton, Shii-Wen Roan and C.A. Morgan. 1992. “Predicting the Response to Variation in Diet Composition,” IN Recent Advances in Animal Nutrition, pp. 137-158, P.C. Garnsworthy, W. Haresign and D.J.A. Cole (Eds.), Butterworth Heinmann, Oxford.

D-143 Gregory, I. 1992. “Fertilizer Industry Restructuring World Wide,” IN Proceedings of the 42nd Annual Meeting of the Fertilizer Industry Round Table, pp. 33-43.

D-144 Thompson, T.P. 1992. “Sociological Dimensions of Technology for Rice Production in Bangladesh,” Journal of Rural Development, 22(1):1-28.

D-144a Schultz, James J. 1992. “Economic Comparisons of Selected NPK Fertilizer Production

Alternatives,” Agro-Chemicals News in Brief, special issue, December:36-42.

D-145 Volodin, I. and G.T. Harris. 1992. “Fertilizer Outlook for CIS/USSR,” IN Fertilizer Outlook ’93, Proceedings, pp. 44-88, The Fertilizer Institute, Washington, D.C.

D-145a IFDC. 1992. The Socioeconomic Dimensions of Agricultural Production in Albania.

D-146 Bationo, A., C.B. Christianson and M.C. Klaij. 1993. “The Effect of Crop Residue and Fertilizer Use on Pearl Millet Yields in Niger,” Fertilizer Research, 34:251-258.

D-147 Bowen, W.T., J.W. Jones and P.K. Thornton. 1993. “Crop Simulation as a Potential Tool for Evaluating Sustainable Land Management,” IN Proceedings of the Eighth International Soil Management Workshop: Utilization of Soil Survey Information for Sustainable Land Use, pp. 15-21, J.M. Kimble (Ed.), Soil Conservation Service, National Soil Survey Center, USDA.

D-148 Jones, J.W., W.T. Bowen, W.G. Boggess and J.T. Ritchie. 1993. “Decision Support Systems for Sustainable Agriculture,” IN Technologies for Sustainable Agriculture in the Tropics, ASA Special Publication 56, ASA, CSSA, SSSA, Madison, Wisconsin.

D-148a Tuong, T.P., K.T. Ingram, J.D. Siopongco, R.B. Confesor, A. Boling, U. Singh and M.C.S. Wopereis. 1993. “Performance of Dry Seeded Rainfed Lowland Rice in Response to Agrohydrology and Nitrogen Fertilizer Management,” Paper presented at the International Symposium of the Rainfed Lowland Rice Research Consortium, February 8-13, 1993, Semarang, Central Java, Indonesia, Los Baños (Philippines).

D-148b IFDC. 1993. Rebuilding Albania’s Fertilizer Sector: An IFDC/USAID Undertaking.

D-149 Hoogenboom, Gerrit, J.W. Jones, K.J. Boote, W.T. Bowen, N.B. Pickering and W.D. Batchelor. 1993. “Advancement in Modeling Grain Legume Crops,” Paper No. 93–4511, 1993 International Winter Meeting, the American Society of Agricultural Engineers.

D-149a Karim, A.B., P.S. Savill and E.R. Rhodoes. 1993. “The Effects of Between-Row (Alley Widths) and Within-Row Spacings of Gliricidia sepium on Alley-Cropped Maize in Sierra Leone,” Agroforestry Systems 24:81-93.

D-150 Dudal, R. and B.H. Byrnes. 1993. “The Effects of Fertilizer Use on the Environment,” IN The

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D-151 Gerner, H. and G. Harris. 1993. “The Use and Supply of Fertilizers in Sub-Saharan Africa,” IN The Role of Plant Nutrients for Sustainable Food Crop Production in Sub-Saharan Africa, pp. 107-125, H. van Reuler and W. H. Prins (Eds.), Dutch Association of Fertilizer Producers, Leidschendam, The Netherlands.

D-152 Waliyar, F., B.J. Ndunguru, S.B. Sharma and A. Bationo. 1992. “Effect of Liming and Carbofuran on Groundnut Yield in Sandy Soils in Niger,” Fertilizer Research, 33(3):203-208.

D-153 Fussell, L.K., P.G. Serafini, A. Bationo and M.C. Klaij. 1987. “Management Practices to Increase Yield and Yield Stability of Pearl Millet in Africa,” IN Proceedings of the International Pearl Millet Workshop, pp. 255-266, ICRISAT, Patancheru, India.

D-154 Bationo, A., C.B. Christianson and A.U. Mokwunye. 1991. “Organic Recycling of Crop Residue and Fertilizer Use for Pearl Millet Production on the Sandy Soils of Niger,” Agricultural Systems in Africa, 1(2):127-135.

D-155 Fick, G.W., P.W. Wilkens and J.H. Cherney. 1994. “Modeling Forage Quality Changes in the Growing Crop,” IN Forage Quality, Evaluation, and Utilization, pp. 757-795, G.C. Fahey, Jr. (Ed.), American Society of Agronomy, Madison, Wisconsin, U.S.A.

D-156 Klein, M.O., K.W. Reid and E.L. Goldsmith. 1994. “Air Emissions at KCl Facilities,” IN Pollution Control in Fertilizer Production, pp. 369-385, C.A. Hodge and N.N. Popovici (Eds.), Marcel Dekker, New York, NY.

D-157 Reid, K.W. and M.O. Klein. 1994. “Long-Term Solid Waste Management and KCl Facilities Decommissioning,” IN Pollution Control in Fertilizer Production, pp. 361-367, C.A. Hodge and N.N. Popovici (Eds.), Marcel Dekker, New York, NY.

D-158 Reid, K.W. and M.O. Klein. 1994. “Environmental Aspects in Mining and Production of KCl,” IN Pollution Control in Fertilizer Production, pp. 343-360, C.A. Hodge and N.N. Popovici (Eds.), Marcel Dekker, New York, NY.

D-159 Klein, M.O., K.W. Reid and E.L. Goldsmith. 1994. “Introduction to the Potassium Fertilizer Industry,” IN Pollution Control in Fertilizer Production, pp. 337-341, C.A. Hodge and N.N. Popovici (Eds.), Marcel Dekker, New York, NY.

D-160 Jomini, P. A., R.R. Deuson, J. Lowenberg-DeBoer and A. Bationo. 1991. “Modelling Stochastic Crop Response to Fertilization When Carry-Over Matters,” Agricultural Economics, 6:97-113.

D-161 Parish, D.H. 1992. “New Technologies in Soil Fertility Maintenance—Private Sector Contri-butions,” IN Public and Private Roles in Agricultural Development, pp. 97-123, J.R. Anderson and Cornelis de Haan (Eds.), Proceedings of the Twelfth Agricultural Sector Symposium, World Bank, Washington, D.C.

D-162 Klein, M.O. 1994. “Romania—The Introduction of the Free Market to Agriculture,” Fertilizer Focus, 11(5):20-23.

D-163 Singh, U., P.K. Thornton, A.R. Saka and J.B. Dent. 1993. “Maize Modeling in Malawi: A Tool for Soil Fertility Research and Development,” IN Systems Approaches for Agricultural Develop-ment, pp. 253-273, F.W.T. Penning de Vries et al. (Eds.), Kluwer Academic Publishers, The Netherlands.

D-164 Savant, N.K. 1994. “Simplified Methylene Blue Method for Rapid Determination of Cation -Exchange Capacity of Mineral Soils,” Communications in Soil Science and Plant Analysis, 25(19&20):3357-3364.

D-165 Christianson, C.B. and W.E. Baethgen. 1994. “A Procedure for Sampling the Soil Microenvironment at the Site of Fertilizer Application,” Communications in Soil Science and Plant Analysis, 25(19&20):3413–3419.

D-166 Fawcett, R.H., J. Anderson and P.K. Thornton. 1993. “Limits to Borrowing in a High Risk Business,” IN Proceedings, 32nd European Association of Agricultural Economics Seminar, Capital and Finance in West and East European Agriculture, pp. 63-78, Wageningen, The Netherlands.

D-167 Thornton, P.K. and R.H. Fawcett. 1993. “Weed Control and the Economic Threshold,” IN Proceedings of the International Symposium on Integrated Weed Management for Sustainable Agriculture, pp. 17-27, CCS Haryana Agricultural University, Hisar, India.

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D-168 “15 Years of Assistance—The IFDC and Fertilizer Use in Bangladesh.” 1994. Fertilizer Focus, 11(8):46-50.

D-169 “IFDC Aids Albanian Reconstruction—A Brighter Future.” 1994. Fertilizer International, No. 335 (July), pp. 30-33.

D-170 Stangel, P., C. Pieri and U. Mokwunye. 1994. “Maintaining Nutrient Status of Soils: Macronutrients,” IN Soil Resilience and Sustainable Land Use, pp. 171-197, D.J. Greenland and I. Szaboics (Eds.), CAB International.

D-171 Hunt, L.A., J.W. Jones, G. Hoogenboom, D.C. Godwin, U. Singh, N. Pickering, P.K. Thornton, K.J. Boote and J.T. Ritche. 1994. “General Input and Output File Structures for Crop Simulation Models,” IN Crop Modeling and Related Environmental Data, pp. 35-73, P.F. Uhlir and G.C. Carter (Eds.), CODATA, Paris, France.

D-172 Thornton, P.K., G. Hoogenboom, P.W. Wilkens and W.T. Bowen. 1995. “A Computer Program to Analyze Multiple-Season Crop Model Outputs,” Agronomy Journal, 87(1):131-136.

D-173 Thornton, P.K. and G. Hoogenboom. 1994. “A Computer Program to Analyze Single-Season Crop Model Outputs,” Agronomy Journal, 86(5):860-868.

D-174 Thornton, P.K., A.R. Saka, U. Singh, J.D.T. Kumwenda, J.E. Brink and J.B. Dent. 1995. “Application of a Maize Crop Simulation Model in the Central Region of Malawi,” Experimental Agriculture, 31:213-226.

D-175 Byrnes, B.H., E.R. Austin and B.K. Tays. 1995. “Methane Emissions From Flooded Rice Soils and Plants Under Controlled Conditions,” Soil Biology and Biochemistry, 27(3):331-339.

D-176 Savant, N.K., G. Carmona and E.R. Austin. 1994. “Effect of Plant Density on Methane Emission From Transplanted Rice,” International Rice Research Notes, 19(4):24-25.

D-177 Sawant, A.S., V.H. Pail and N.K. Savant. 1994. “Rice Hull Ash Applied to Seedbed Reduces Deadhearts in Transplanted Rice,” International Rice Research Notes, 19(4):21-22.

D-178 Savant, N.K. 1995. “Increased Rice Production With Less Fertiliser,” ILEIA Newsletter, 11(1):24-25.

D-179 Baethgen, W.E. and C.O. Magrin. 1995. “Assessing the Impacts of Climate Change on Winter Crop Production in Uruguay and

Argentina Using Crop Simulation Models,” IN Climate Change and Agriculture: Analysis of Potential International Impacts, pp. 207-228, ASA Special Publication No. 59, American Society of Agronomy, Madison, Wisconsin.

D-180 Singh, U. and J.L. Padilla. 1995. “Simulating Rice Response to Climate Change,” IN Climate Change and Agriculture: Analysis of Potential International Impacts, pp. 99-121, ASA Special Publication No. 59, American Society of Agronomy, Madison, Wisconsin (Available in PDF format).

D-181 Hoogenboom, G., G.Y. Tsuji, N.B. Pickering, R.B. Curry, J.W. Jones, U. Singh and D.C. Godwin. 1995. “Decision Support System to Study Climate Change Impacts on Crop Production,” IN Climate Change and Agriculture: Analysis of Potential International Impacts, pp. 51-76, ASA Special Publication No. 59, American Society of Agronomy, Madison, Wisconsin.

D-182 Singh, U. and J. Timsina. 1994. “Rice-Wheat Systems: Problems, Constraints and Modelling Issues,” IN SARP Research Proceedings: Agro-Ecological Zonation, Characterization and Optimization of Rice-Based Cropping Systems, pp. 47-57, F.P. Lansigan, B.A.M. Bouman and H.H. van Lear (Eds.), December.

D-183 Timsina, J., U. Singh, Y. Singh and F.P. Lansigan. 1995. “Addressing Sustainability of Rice-Wheat Systems: Testing and Application of CERES and SUCROS Models,” IN Fragile Lives in Fragile Ecosystems, pp. 634-656, Proceedings of IRRI Research Conference, February 13-17, 1995.

D-184 Narayan, P. and B.L. Bumb. 1995. “Policy Environment Conducive to the Growth of the Fertilizer Industry in the Developing Countries—Discussion Paper,” Presented at the Workshop on Policy Environment Conducive to the Growth of the Fertilizer Industry in the Developing Countries, New Delhi, November 30–December 2, 1994, United Nations Industrial Development Organization.

D-185 Klein, M.O. and E.L. Goldsmith. 1993. “Physical Properties of Potash Products: Quality Control Procedures and Their Importance,” IN Seventh Symposium on Salt, Vol. II, pp. 531-540, Elsevier Science Publishers B.V., Amsterdam.

D-186 Singh, U. 1995. “Integrated Nutrient Manage-ment Strategies for Rice,” IN Rice Management Biotechnology, pp. 71-80, S. Kannaiyan (Ed.), Associated Publishing Co., New Delhi.

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D-186a Kouka, Pierre-Justin, Curtis M. Jolly and Julio Henao. 1995. “Agricultural Response Functions for Limited Resource Farmers in Sub-Saharan Africa,” Fertilizer Research, 40:135-141.

D-187 Thornton, P.K. and J.W. Hansen. 1996. “A Note on Regressing Real-World Data on Model Output,” Agricultural Systems, 50:411-414.

D-188 Geiger, S.C., A. Manu and A. Bationo. 1992. “Changes in a Sandy Sahelian Soil Following Crop Residue and Fertilizer Additions,” Soil Science Society of America Journal, 56:172-177.

D-189 Thornton, P.K., W.T. Bowen, A.C. Ravelo, P.W. Wilkens, G. Farmer, J. Brock and J.E. Brink. 1997. “Estimating Millet Production for Famine Early Warning: An Application of Crop Simulation Modelling Using Satellite and Ground-Based Data in Burkina Faso,” Agricultural and Forest Meteorology, 83:95-112.

D-190 Bumb, B.L., T.H. Foster and R.P. Black. 1996. “Fertilizer Markets After Subsidy: Creating a Market-Friendly Policy Environment,” Agro-chemicals News in Brief, pp. 14-22, Special Issue, September.

D-191 Bowen, Walter. 1995. “El Modelo CROPGRO Como Una Herramienta de Integracion del Conocimiento,” IN Memoria del Taller Inter-nacional sobre Bajo Fósforo en el Cultivo del Frijol, pp. 174-182, noviembre, San José, Costa Rica.

D-192 Gijsman, A.J., A. Oberson, H. Tiessen and D.K. Friesen. 1996. “Limited Applicability of the CENTURY Model to Highly Weathered Tropical Soils,” Agronomy Journal, 88(6):894-903.

D-193 Chardon, W.J., R.G. Menon and S.H. Chien. 1996. “Iron Oxide Impregnated Filter Paper (Pi Test): A Review of Its Development and Methodological Research,” Nutrient Cycling in Agroecosystems, 46:41-51.

D-194 Thornton, P.K., H.W.G. Booltink and J.J. Stoorvogel. 1997. “A Computer Program for Geostatistical and Spatial Analysis of Crop Model Outputs,” Agronomy Journal, 89:620-627.

D-195 Engel, T., G. Hoogenboom, J.W. Jones and P.W. Wilkens. 1997. “AEGIS/WIN: A Computer Program for the Application of Crop Simulation Models Across Geographic Areas,” Agronomy Journal, 89:919-928.

D-196 Baethgen, W.E. 1997. “Vulnerability of the Agricultural Sector of Latin America to Climate Change,” Climate Research, 9:1-7.

D-196a Timsina, J., U. Singh and Y. Singh. 1997. “Addressing Sustainability of Rice-Wheat Systems: Analysis of Long-Term Experimentation and Simulation” IN Applications of Systems Approaches at the Field Level, pp. 383-397, M.J. Kropff et al. (Eds.), Kluwer Academic Publishers.

D-196b Gijsman, A.J., A. Oberson, D.K. Friesen, J.I. Sanz, and R.J. Thomas. 1997. “Nutrient Cycling through Microbial Biomass Under Rice-Pasture Rotations Replacing Native Savanna,” Soil Biol. Biochem, 29(9/10)1433-1441.

D-196c Oberson, A., D.K. Friesen, C. Morel, N. Tiessen, and E. Frossard. 1997. “Effect of Agropastoral Systems on Microbially Bound Phosphorus in Low P Acid Soils,” IN Proceedings of the XVIII International Grassland Congress, Vol. Session 10 – Soil Fertility, Winnipeg, Manitoba, Canada.

D-196d Jones, P.G. and P.K. Thornton. 1997. “Spatial and Temporal Variability of Rainfall Related to a Third-Order Markov Model,” Agricultural and Forest Meteorology 86(1-2):127-138. Abstract only.

D-197 Savant, N.K., and A.S. Sawant. 1996. “Nutrient Composition of Rice Seedlings as Influenced by Application of Rice Hull Ash to Seedbed,” Oryza, 33:74-76.

D-198 Nguyen My Hoa, U. Singh and H.P. Samonte. 1998. “Potassium Supplying Capacity of Some Lowland Rice Soils in the Mekong Delta,” Better Crops International, 12(1):11-15.

D-199 Singh, U. and G. Uehara. 1998. “Electrochemistry of the Double Layer: Principles and Applications to Soils,” IN Soil Physical Chemistry, Second Edition, pp. 1-46, Donald L. Sparks (Ed.), CRC Press.

D-200 Singh, U., R.B. Matthews, T.S. Griffin, J.T. Ritchie, L.A. Hunt and R. Goenaga. 1998. “Modeling Growth and Development of Root and Tuber Crops,” IN Understanding Options for Agricultural Production, pp. 129-156, G.Y. Tsuji et al. (Eds.), Kluwer Academic Publishers.

D-201 Ritchie, J.T., U. Singh, D.C. Godwin and W.T. Bowen. 1998. “Cereal Growth, Development and Yield,” IN Understanding Options for Agricultural Production, pp. 79-98, G.Y. Tsuji et al. (Eds.), Kluwer Academic Publishers.

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D-202 Jones, J.W., G.Y. Tsuji, G. Hoogenboom, L.A. Hunt, P.K. Thornton, P.W. Wilkens, D.T. Imamura, W.T. Bowen and U. Singh. 1998. “Decision Support System for Agrotechnology Transfer: DSSAT v3,” IN Understanding Options for Agricultural Production, pp. 157-177, G.Y. Tsuji et al. (Eds.), Kluwer Academic Publishers.

D-203 Bowen, W.T., P.K. Thornton and G. Hoogenboom. 1998. “The Simulation of Cropping Sequences Using DSSAT,” IN Understanding Options for Agricultural Production, pp. 313-327, G.Y. Tsuji et al. (Eds.), Kluwer Academic Publishers.

D-204 Iretskaya, S.N. and S.H. Chien. 1999. “Comparison of Cadmium Uptake by Five Different Food Grain Crops Grown on Three Soils of Varying pH,” Communications in Soil Science and Plant Analysis, 30(3&4):441-448.

D-205 Thornton, P.K. and P.W. Wilkens. 1998. “Risk Assessment and Food Security,” IN Understanding Options for Agricultural Production, pp. 329-345, G.Y. Tsuji et al. (Eds.), Kluwer Academic Publishers.

D-206 Byrnes, B.H. and D.T. Hellums. 1998. “Strategies for Fertilizer Research in the Tropics,” IN Soil Quality and Agricultural Sustainability, pp. 53-66, R. Lal (Ed.), Ann Arbor Press, an imprint of Sleeping Bear Press.

D-207 Byrnes, B.H. and B.L. Bumb. 1998. “Population Growth, Food Production and Nutrient Requirements,” co-published simultaneously in Journal of Crop Production, 1(2):1-27 and Nutrient Use in Crop Production, pp. 1-27, Zdenko Rengel (Ed.), Food Products Press, an imprint of The Haworth Press, Inc.

D-208** Honfoga, Barthelemy. 1993. “Maize Acreage Response Under Differential Prices in the Republic of Benin, West Africa,” Agricultural Economics, 9:215-239.

D-209** Shetty, S.V.R., B.R. Ntare, A. Bationo and C. Renard. 1995. “Millet and Cowpea in the Mixed Farming Systems of the Sahel: A Review of Strategies for Increased Productivity and Sustainability,” IN Livestock and Sustainable Nutrient Cycling in Mixed Farming Systems of Sub-Saharan Africa, pp. 293-304, J.M. Powell, S. Fernandez Rivera, T.O. Williams and C. Renard (Eds.), ILCA, Addis Ababa, Ethiopia.

D-210** Bationo, A., A. Buerkert, M.P. Sedogo, C.B. Christianson and A.U. Mokwunye. 1995. “A Critical Review of Crop Residue Use as Soil

Amendment in the West African Semi-Arid Tropics,” IN Livestock and Sustainable Nutrient Cycling in Mixed Farming Systems of Sub-Saharan Africa, pp. 302-322, J.M. Powell, S. Fernandez Rivera, T.O. Williams and C. Renard (Eds.), ILCA, Addis Ababa, Ethiopia.

D-211** Bekunda, M.A., A. Bationo and H. Ssali. 1997. “Soil Fertility Management in Africa: A Review of Selected Research Trials,” IN Replenishing Soil Fertility in Africa, pp. 63-79, SSSA Special Publication 51, ASA/SSA, Madison.

D-212** Breman, H. 1997. “Amélioration de la fertilité des sols en Afrique de l’Ouest: Contraintes et perspectives,” IN Soil Fertility Management in West African Land Use Systems, pp. 7-20, G. Renard, A. Neef, K. Becker and M. von Oppen (Eds.), Proceedings, Niamey, Niger.

D-214** Breman, H. 1997. “L'initiative pour la fertilité des sols,” Agriculture Durable, 2(3):2.

D-215** Breman, H. and J.J. Kessler. 1997. “The Potential Benefits of Agroforestry for the Sahel and Other Semi-Arid Regions,” European Journal of Agronomy, 7(l/3):25-33.

D-216** Enyong, L.A., S.K. Debrah and A. Bationo. 1998. “Farmers’ Perceptions and Attitudes towards Introduced Soil-Fertility Enhancing Technologies in Western Africa,” Nutrient Cycling in Agroecosystems, 53:177-187.

D-233** Pouzet, D., A. Pierron and T. Thompson. 1991. “Variations in Farmers’ Perceptions About Fertilizer Use in Northern Togo and South-Central Niger,” IN Actes des rencontres internationales “Savane d’Afrique, terres fertiles?”, pp. 439-463, C. Pieri (Ed.), Ministère de la Coopération et du Développement/CIRAD, Paris (Also available in French).

D-234** Bationo, A., T.O. Williams and A.U. Mokwunye. 1998. “Soil Fertility Management for Sustainable Agricultural Production in Semi-Arid West Africa,” IN Technology Options for Sustainable Agriculture in Sub-Saharan Agriculture, pp. 349-367, T. Bezuneh, A.M. Emechebe, J. Sedogo and M. Ouédraogo (Eds.), Publication of the Semi-Arid Food Grain Research and Development Agency (SAFGRAD) of the Scientific, Technical and Research Commission of OAU, Ouagadougou, Burkina Faso.

D-236** Bationo, A., C.L. Bielders, N. van Duivenbooden, A.C. Buerkert and F. Seyni. 1998. “The Management of Nutrients and Water in the West African Semi-Arid Tropics,” IN

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Management of Nutrients and Water in Rainfed Arid and Semi-Arid Areas, pp. 15-35, Proceedings of a Consultants Meeting, FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Vienna, May 26-29, 1997, International Atomic Energy Agency.

D-237** Bationo, A., F. Seyni, A.C. Buerkert and C.L. Bielders. 1998. “Rotation céréale - légumineuse,” IN Technologies diffusables et transférables aux producteurs, (En Fr.), pp. 27-29, S.A. Ly, C.L. Bielders, N. van Duivenbooden, A. Tassiou, A.S. Gouro and K. Anand Kumar (Eds.), Niamey, Niger: Institut national de la recherche agronomique du Niger; et Patancheru 502324 Andrah Pradesh, Inde: Institut international de recherche sur les cultures des zones tropicales semi-arides. Dossier Technique.

D-238** Bationo, A., A.C. Buerkert, I. Mahamane and C.L. Bielders. 1998. “Mode d’apport de l’engrais azoté sur le mil,” Technologies diffusables et transférables aux producteurs, (En Fr.), pp. 19-22, S.A. Ly, C.L. Bielders, N. van Duivenbooden, A. Tassiou, A.S. Gouro and K. Anand Kumar (Eds.), Niamey, Niger: Institut national de la recherche agronomique du Niger; et Patancheru 502324 Andrah Pradesh, Inde: Institut international de recherche sur les cultures des zones tropicales semi-arides. Dossier Technique.

D-239** Bationo, A. and J. Baidu-Forson. 1998. “Evaluation of Nutrient Amendment Options for Millet-Based Production Systems in the Sahel Through On-Farm Trials,” Soil Fertility Management in West African Land Use Systems, pp. 519-524, G. Renard, A. Neef, K. Becker and M. von Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

D-240** Bationo, A., A.C. Buerkert, I. Mahamane and C.L. Bielders. 1998. “Mode d’apport de l’engrais azoté sur le sorgho,” IN Technologies diffusables et transférables aux producteurs, (En Fr.), pp. 19-22, S.A. Ly, C.L. Bielders, N. van Duivenbooden, A. Tassiou, A.S. Gouro and K. Anand Kumar (Eds.), Niamey, Niger: Institut national de la recherche agronomique du Niger; et Patancheru 502324 Andrah Pradesh, Inde: Institut international de recherche sur les cultures des zones tropicales semi-arides. Dossier Technique.

D-241** Bationo, A., M.V.K. Sivakumar, K. Acheampong and K. Harmsen. 1998. “Technologies de lutte contre la dégradation des terres dans la zones soudano-sahéliennes de

l’Afrique de l’Ouest,” IN L’Intensification Agricole au Sahel, pp. 709-725, H. Breman and K. Sissoko (Eds.), Karthala.

D-242** Bielders, C.L., A. Bationo and A.C. Buerkert. 1998. “Paillage au moyen de tiges de mil,” IN Technologies diffusable set transférables aux producteurs, pp. 31–34, S.A. Ly, C.L. Bielders, N. van Duivenbooden, A. Tassiou, A.S. Gouro and K. Anand Kumar (Eds.), (En Fr.) Niamey, Niger: Institut national de la recherche agronomique du Niger; et Patancheru 502324 Andrah Pradesh, Inde: Institut international de recherche sur les cultures des zones tropicales semi-arides. Dossier Technique.

D-243** Vincent, B.B., M.P. Sedogo, M.P. Cescas, F. Lompo and A. Bationo. 1998. “Effet a long-terme des fumures sur le sol et les rendements du maïs au Burkina Faso,” Cahiers Agricultures, 6:571-575.

D-244** Hiernaux, P., C.L. Bielders, C. Valentin, A. Bationo and S. Fernandez-Rivera. 1999. “Effects of Livestock Grazing on Physical and Chemical Properties of Sandy Soils in Sahelian Rangelands,” Journal of Arid Environments, 41:231-245.

D-245** Pinto Toyi, A.K., A. Bationo and E. Ayuk. 1998. “Evaluation agronomique et économique des engrais organiques et minéraux dans différentes zones agro-écologiques du Togo,” IN Soil Fertility Management in West African Land Use Systems, pp. 67-72, G. Renard, A. Neef, K. Becker and M. van Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

D-246** Shetty, S.V.R., N. van Duivenbooden, A. Bationo and M.V.K. Sivakumar. 1998. “Stratégies agronomiques pour l’intensification des systèmes de production au Sahel,” IN L’Intensification Agricole au Sahel, pp. 727-745, H. Breman and K. Sissoko (Eds.), Karthala.

D-247** van Duivenbooden, N., E. Hanak Freud, L. Cissé and A. Bationo. 1998. “Resource Management Research in Semi-Arid West Africa: Challenges and New Opportunities,” IN Soil Fertility Management in West African Land Use Systems, pp. 437-444, G. Renard, A. Neef, K. Becker and M. van Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

D-248** Bationo, A., F. Lompo and S. Koala. 1998. “Research on Nutrient Flows and Balances in West Africa: State-of-the-Art,” IN Nutrient Balances as Indicators of Production and Sustainability in Sub-Saharan African Agriculture, E.M.A. Smaling (Ed.). Special

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Issue, Agriculture, Ecosystems and the Environment, 71(1,2,3):19-36, Elsevier, Amsterdam.

D-248a IFDC. 1998. If It Can Work in Albania…. Lessons of the IFDC Program.

D-249 Rosenzweig, C., A. Iglesias, G. Fischer, Y. Liu, W.E. Baethgen and J.W. Jones. 1999. “Wheat Yield Functions for Analysis of Land-Use Change in China,” Environmental Modelling and Assessment, 4:115-132.

D-250 Hoogenboom, G., P.W. Wilkens, P.K. Thornton, J.W. Jones and L.A. Hunt. 1999. “Advances in the Development and Application of DSSAT,” IN Proceedings of the International Symposium Modelling Cropping Systems, pp. 201-202, University of Lleida, Catalonia, Spain.

D-252 Baethgen, W.E. 1999. “Applications of Climate Forecasts in the Agricultural Sector,” CREA, 204:22-24 (in Spanish).

D-253 Rangel, A.F., E. Madero, R.J. Thomas, D.K. Friesen and T. Decaens. 1999. “Ion Exchange Properties of Casts of the Anecic Earthworm (Martiodrilus carimaguensis Jimenez and Moreno) in a Colombian Savanna Oxisol,” Pedobiologia, 43(6):795-801.

D-254 Singh, U., H. van Reuler, V. Chude, K. Aihou and P. Dejean. 1999. “Using Decision Support Systems to Stimulate Resource Conserving Practices,” Proceedings of the 2nd International Conference on Multiple Objective Decision Support Systems for Land, Water and Environmental Management (MODSS’99), August 1-6, 1999, Brisbane, Australia, P.A. Lawrence and J. Robinson (Eds.), Queensland Department of Natural Resources and Mines, Australia.

D-255 Bowen, W., G. Baigorria, V. Barrera, J. Cordova, P. Muck and R. Pastor. 1999. “A Process-Based Model (WEPP) for Simulating Soil Erosion in the Andes,” CIP Program Report 1997–98, pp. 403-408, International Potato Center, Lima, Peru.

D-256 Bardhan Roy, S.K., T. Walker, V.S. Khatana, N.K. Saha, V.S. Verma, M.S. Kadian, A.J. Haverkort and W. Bowen. 1999. “Intensification of Potato Production in Rice-Based Cropping Systems: A Rapid Rural Appraisal in West Bengal,” CIP Program Report 1997–98, pp. 205-212, International Potato Center, Lima, Peru.

D-257 Enyong, L.A., S.K. Debrah and A. Bationo. 1999. “Farmers’ Perceptions and Attitudes Towards Introduced Soil-Fertility Enhancing Technologies in Western Africa,” Nutrient Cycling in Agroecosystems, 53:177-187.

D-259 Roy, A.H. and J.H. Allgood. 1999. “IFDC’s Experience in Development Programmes in Developing Economies With Special Reference to Africa,” FSSA Journal 1999, pp. 11-25.

D-260 Breman, H. 2000. Soil Fertility Improvement, the Key to Land-Use Management and Desertification Control in West Africa,” Natural Resources Forum, 24:2.

D-262** Bationo, A., J. Ndjeunga, C. Bielders, V. R. Prabhakar, A. Buerkert and S. Koala. 1999. “Soil Fertility Restoration Options to Enhance Pearl Millet Productivity on Sandy Sahelian Soils in South-West Niger,” IN Evaluation of Technical and Institutional Options for Small Farmers in West Africa, pp. 93-104, P. Lawrence, G. Renard, and M. von Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

D-263** Subbarao, G. V., C. Renard, A. Bationo, N. van Duivenbooden, and C. Bielders. 1999. “Alternative Technologies for Sahelian Crop Production Systems in West Africa,” IN Management of Arid Ecosystem, pp. 121-132, A. S. Faroda, N. L. Joshi, S. Kathju, and Amal Kar (Eds.), Arid Zone Research Association of India and Scientific Publishers, Jodhpur.

D-264** Bationo, A., I. Mahamane, F. Seyni and Z. Hamidou. 1999. “Recent Achievements on Soil Fertility Management in the Sahelian Zone of West Africa,” IN Management of Arid Ecosystem, pp. 247-266, A. S. Faroda, N. L. Joshi, S. Kathju, and Amal Kar (Eds.), Arid Zone Research Association of India and Scientific Publishers, Jodhpur.

D-265** Maï Moussa, K. A., J. H. Williams and A. Bationo. 1999. “Propriétés chimiques des sols sableux sahéliens sous parcs à Faidherbia albida (Del.) A. Chev.,” Cahiers Agricultures, 8:70-72.

D-266** Breman, H. and A. Bationo. 1999. “Understanding and Developing Farming Systems Strategies in the Struggle Against Desertification - Plant Production of Desert Margins,” IN Proceedings of the Regional Workshop on a Network for Promoting Sustainable Agricultural Farming Systems in the Context of the Regional Action Programme to Combat Desertification in Africa, pp. 17-46, N. van Duivenbooden, S. Koala and M. N’Diaye (Eds.), ICRISAT, Sadoré, Niger.

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D-267 Stoorvogel, J., C. Crissman, J. Antle and W. Bowen. 1999. “A Decision Support System to Quantify Trade-Offs in Sustainable Agriculture and the Environment in the Andes,” IN Proceedings of the Workshop on Ecoregional Research at ILRI, pp. 123-133, P. K. Thornton and A. N. Odero (Eds.), International Livestock Research Institute, Nairobi, Kenya.

D-268 Quiroz, R., W. T. Bowen and A. Gutarra. 1999. “Integrating Remote Sensing and Dynamic Models to Assess Pasture and Livestock Production at the Ecoregional Level: Developments in the Altiplano,” IN Proceedings of the Workshop on Ecoregional Research at ILRI, pp. 97-103, P.K. Thornton and A.N. Odero (Eds.), International Livestock Research Institute, Nairobi, Kenya.

D-269 Singh, U. and P.W. Wilkens. 2000. “Stimulating Nutrient Stress Effects on Phenological Development in Maize,” IN Modeling Extremes of Wheat and Maize Crop Performance in the Tropics. Proceedings of a Workshop, CIMMYT, El Batán, Mexico, 19-22 April 1999, pp. 11-17, J.W. White and P.R. Grace (Eds.), NRG-GIS Series 00–01, CIMMYT, Mexico, D.F.

D-270** Breman, H. and S.K. Debrah. 1999. “Agricultural Intensification Within Sustainable Production Systems,” IN Soil Fertility Initiative for Sub-Saharan Africa, Proceedings SFI/FAO Consultation, pp. 54-55, World Soil Resources Reports 85, FAO, Rome.

D-271** Chude, V.O., H. Breman and U. Singh. 1999. “Combating Nutrient Depletion Consortium: Goals, Objectives, and Activities,” IN Efficient Soil Water Use: The Key to Sustainable Crop Production in the Dry Areas of West Asia, and North and Sub-Saharan Africa, pp. 331-334, N. van Duivenbooden, M. Pala, C. Studer and C.L. Bielders (Eds.), Proceedings of the workshops -organized by the Optimizing Soil Water Use -Consortium, ICARDA, Aleppo, Syria, and ICRISAT, Andhra Pradesh, India.

D-271a Leenstra, Melle. 1999. Ágricultural Credit in the Région Centrale,” A Research Practical on Micro-Finance. IFDC, Lomé, Togo.

D-272 Hammond, L. 2000. “Fertilization in Balance,” Farm Chemicals International, Summer, 14(3):64.

D-273 Roy, A.H. 1999. “Fertilizer in Flux,” Farm Chemicals International, 13(4):60-61.

D-274** Debrah, S.K., G. Dimithe, I. Gregory and B.L. Bumb. 1999. “A Strategic Framework for

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D-275 Baanante, C.A., D.T. Hellums and A.H. Roy. 2000. “Global Food Security and the Fertilizer Industry,” IN Ammonia Plant Safety & Related Facilities, Volume 40, Proceedings of 44th Safety in Ammonia Plants Symposium.

D-279** Maatman, A. and H. van Reuler. 2000. “Farming Systems Research and the Development of Integrated Nutrient Management Systems: Linking Input/Output Market and Technology Development,” IN Farmers and Scientists in a Changing Environment: Assessing Research in West Africa, pp. 35-45, G. Renard, S. Krieg, P. Lawrence and M. von Oppen (Eds.), Margraf Verlag, Weikersheim, Germany.

D-280** Bationo, A., S.P. Wani, C. Bielders, P.L.G. Vlek and A.U. Mokwunye. 2000. “Crop Residue and Fertilizer Management to Improve Soil Organic Carbon Content, Soil Quality and Productivity in the Desert Margins of West Africa,” IN Global Climate Change and Tropical Ecosystems, pp. 117-145, R. Lal, J.M. Kimble and B.A. Stewart (Eds.).

D-281** Buerkert, A., A. Bationo and K. Dossa. 2000. “Mechanisms of Residue Mulch Induced Cereal Growth Increases in West Africa,” Soil Science Society of America Journal, 64(1):356-359.

D-282** Buerkert, A., M. Bagayoko, A. Bationo and V. Romheld. 2000. “Soil Fertility Management and Crop Production in Semi-Arid and Subhumid West Africa,” IN Adapted Farming in West Africa: Issues, Potentials and Perspectives, pp. 129-148, F. Graef, P. Lawrence and M. von Oppen (Eds.), Verlag Ulrich E. Grauer, Stuttgart, Germany.

D-283 Roy, A.H. 2000. “The Changing Role of IFDC,” Fertilizer Focus, 17(7):58-62.

D-284 Gregory, D.I. 2000. “The IFDC Experience in Sustaining Agriculture Production in Bangladesh and the Outlook of this Role after GATT Uruguay Round Agreement on Agriculture,” IN Proceeding of AFA 6th International Annual Conference, January 31 - February 2, 2000, Cairo, Egypt.

D-285** Debrah, S.K. 2000. “African Fertilizer Situation and Outlook: Challenges, Opportunities and Implications,” IN Proceeding of AFA 6th International Annual Conference, January 31 - February 2, 2000, Cairo, Egypt.

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D-286** Van Reuler, H. and A. Tamelokpo. 1998. “A Farmer-Oriented Approach to Soil-Fertility Management Including the Creation of a Revolving Fund – A Case Study From Southern Togo,” IN On-Farm Research on Sustainable Land Management in SubSaharan Africa: Approaches, Experiences, and Lessons, pp. 65-72, P. Drechsel and L. Gyiele (Eds.), Proceedings based on papers from an international meeting held at Abengourou, Côte d’Ivoire, 11-22 August 1997, Thailand: IBSRAM 1998. IBSRAM Proceedings No. 19.

D-287 Roy, A.H., C.A. Baanante and D.T. Hellums. 1998. “Challenges of Sustainable Agricultural Development in South Asia,” IN Agronomy, Environment and Food Security for 21st Century: Extended Summaries, pp. 50-52, First International Agronomy Congress, New Delhi, India, November 23-27, 1998.

D-288 Singh, U. 2000. “Seeking Balance,” Farm Chemicals International, 14(6):23-24.

D-288a Kubuabola, Sereana Leleitani, Robert John Morrison and Upendra Singh. 2000. “Magnesium Budget for a Taro Cropping System,” Communications in Soil Science and Plant Analysis 31(11-14):2273-2282.

D-289 Singh, U., J.T. Ritchie and G.Y. Tsuji. 1992. “Simulation Models for Crop Growth: The IBSNAT Approach,” IN Sweetpotato Technology for the 21st Century, W.A. Hill, C.K. Bonsi and P.A. Loretan (Eds.), pp. 343-355, Tuskegee University, Tuskegee, Alabama.

D-290 Baethgen, W.E. 2001. “Global Warming and Agriculture,” Fertilizer Focus, 18:42-48.

D-291** Breman, H., J.J.Rob Groot and H. van Keulen. 2001. “Resource Limitations in Sahelian Agriculture,” Global Environmental Change, 11:59-68.

D-292** Buerkert, A., M. Bagayoko, A. Bationo and V. Römheld. 2000. “Chances and Limits of Organic and Mineral Soil Fertilization Strategies for Sustainable Crop Production in the Sudano-Sahelian Zone of Africa,” IN IFOAM 2000: The World Grows Organic, pp. 18-21, T. Alfoldi, W. Lockeretz and U. Niggli (Eds.), Proceedings of International IFOAM Scientific Conference, Basel Switzerland, August 28, 2000. vdf Hochschulverlag AG an der ETH Zurich, Zurich, Switzerland.

D-293** Dossa, K., M. Guira, B. Loko, B. Traoré and J. Vilandzoon. 2000. Intensification durable de l’agriculture urbaine et périurbaine à Lomé –

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D-294** Maatman, A. 2000. “Sur la voie du success: le développement et les initiatives locales de conservation des eaux et des sols,” IN La gestion des sols par les populations locales: expériences et réussites en Afrique sub-saharienne, pp. 137–147. Actes du séminaire du CTA, Bamako, Mali, November 9-14, 1998. Technical Center for Agricultural and Rural Cooperation, Wageningen, Netherlands.

D-294a Van Kauwenbergh, S.J. 2000. “Natural and Agricultural (Fertilizer) Inputs of Cadmium,” IN Environmental Cadmium in the Food Chain : Sources , Pathways, and Risks: Proceedings of the SCOPE Workshop Belgian Academy of Sciences. Brussels, Belgium, 13-16 September 2000, J.K. Syers and M. Gochfeld (Eds.), Scientific Committee on Problems of the Environment, 2000.

D-295** Maatman, A., C. Dangbégnon and H. Van Reuler. 2001. “IFDC-A’s Experiences in the Development of Integrated Soil Fertility Management Strategies at the Village and Regional Levels in West Africa,” IN Soil and Nutrient Management in Sub-Saharan Africa in Support of the Soil Fertility Initiative, pp. 127-308, R.N. Roy and H. Nabhan (Eds.). Proceedings of the Expert Consultation, FAO, Rome, Lusaka, Zambia, December 6-9, 1999.

D-296 Singh, U., J. Diels, J. Henao and H. Breman. 2001. “Decision Support Systems for Improving the Application of Integrated Nutrient Management Technologies,” Sustaining Soil Fertility in West Africa, SSSA Special Publication No. 58.

D-297 Dimithe, G., D.I. Gregory, S.K. Debrah, B.L. Bumb and A.H. Roy. 2001. “Getting Agricultural Input Markets in Sub-Saharan Africa to Work Better,” IN The Food Chain in Sub-Saharan Africa, pp. 133-146, Proceedings of the workshop held in Bamako, Mali, October 15-19, 1999, Centre for Applied Studies in International Negotiations, Geneva.

D-298 Baethgen, W.E., R. Faria, A. Giménez and P. Wilkens. 2001. “Information and Decision Support Systems for the Agricultural Sector,” IN Proceedings - Third International Symposium on Systems Approaches for Agricultural Development, Lima, Peru, November 8-10, 1999

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D-299 Breman, H. and H. Van Reuler. 2001. “Decision Support System: Feasibility of Legume Use,” CIEPCA Newsletter, pp. 7-8, April, Center for Cover Crops Information and Seed Exchange in Africa, Cotonou, Benin.

D-300 Byrnes, B.H. and B.L. Bumb. 1998. “Population Growth, Food Production and Nutrient Requirements,” Co-published simultaneously in Journal of Crop Production (Food Products Press, an imprint of The Haworth Press, Inc.) Vol. 1, No. 2 (#2), pp. 1-27; and Nutrient Use in Crop Production (Ed: Zdenko Rengel) Food Products Press, an imprint of The Haworth Press, Inc.

D-301 Tsuji, G.Y., A. du Toit, A. Jintrawet, J.W. Jones, W.T. Bowen, R.M. Ogoshi and G. Uehara. 2002. “Benefits of Models in Research and Decision Support: The IBSNAT Experience,” IN Agricultural System Models in Field Research and Technology Transfer, pp. 71-89, Lajpat R. Ahuja, Liwang Ma and Terry A. Howell (Eds.), CRC Press.

D-302 Kanampiu, F., J. Ransom, J. Gressel, D. Jewell, D. Friesen, D. Grimanelli and D. Hoisington. 2002. “Appropriateness of Biotechnology to African Agriculture: Striga and Maize as Paradigms,” Plant Cell, Tissue and Organ Culture, 69:105-110.

D-303 Breman, H. and H. van Reuler. 2002. “Legumes: When and Where an Option? (No Panacea for Poor Tropical West African Soils and Expensive Fertilizers),” IN Integrated Plant Nutrient Management in Sub-Saharan Africa, pp. 285-298, B. Vanlauwe, J. Diels, N. Sanginga and R. Merckx (Eds.), CAB International.

D-304 Schreurs, M.E.A., A. Maatman and C. Dangbégnon. 2002. “In for a Penny, In for a Pound: Strategic Site-selection as a Key Element for On-farm Research that Aims to Trigger Sustainable Agricultural Intensification in West Africa,” IN Integrated Plant Nutrient Management in Sub-Saharan Africa, pp. 63-74, B. Vanlauwe, J. Diels, N. Sanginga and R. Merckx (Eds.), CAB International.

D-305 Heng, L.K., P. Moutonnet and W.E. Baethgen. 2001. “Optimization of Fertilizer Application for Irrigated Wheat Systems Based on an Integration of Crop Simulation Models and Nuclear Techniques,” International Consortium for Agricultural Systems Applications;

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D-306 Rangel, A.F., E. Madero, R.J. Thomas, D.K. Friesen and T. Decaëns. 2001. “Ion Exchange Properties of Casts of the Anecic Earthworm (Martiodrilus carimaguensis Jiménez and Moreno) in a Colombian Savanna Oxisol,” IN Nature’s Plow: Soil Macroinvertebrate Communities in the Neotropical Savannas of Colombia, pp. 244-251, J.J. Jiménez and R.J. Thomas (Eds.), CIAT, Cali, Colombia.

D-306a Bontkes, Tjark Struif, U. Singh and V. Chude. 2001. “Problems and Opportunities in Adopting System Tools for Decision-Making Related to Soil Fertility Improvement in Africa,” Paper presented at the Integrated Nutrient Resource Management (INMR) Symposium, CIAT, Cali, Colombia.

D-307 Achieng, J., D. Friesen, O. Odongo and M. Odendo. 2001. “Sustainability of Fertilizer Use for Maize Production in Western Kenya Through Provision of Credit,” IN African Crop Science Conference Proceedings, Vol. 5, pp. 1-10, African Crop Science Society.

D-308 Siambi, M., A.O. Diallo, H. De Groote, D.K. Friesen and W. Muasya. 2002. “Recent Developments in Participatory Plant Breeding for Maize in Eastern Africa: Experiences From Eastern Kenya,” IN Enhancing the Contribution of Maize to Food Security in Ethiopia: Proceedings of the Second National Maize Workshop of Ethiopia, 12-16 November 2001, Addis Ababa, Ethiopia, pp. 223-230, Mandefro Nigussie, D. Tanner and S. Twumasi-Afriyie (Eds.), EARO and CIMMYT, Addis Ababa, Ethiopia.

D-309 Friesen, D.K., S.R. Waddington, A. Diallo and F. Kanampiu. 2002. “Breeding and Agronomic Approaches to Managing Abiotic Stresses in Maize,” IN Enhancing the Contribution of Maize to Food Security in Ethiopia: Proceedings of the Second National Maize Workshop of Ethiopia, 12-16 November 2001, pp. 214-222, Mandefro Nigussie, D. Tanner and S. Twumasi-Afriyie (Eds.), Ethiopian Agricultural Research Organization (EARO) and International Maize and Wheat Improvement Center (CIMMYT).

D-310 Kubuabola, S.L., R.J. Morrison and U. Singh. 2000. “Magnesium Budget for a Taro Cropping System,” Commun. Soil Sci. Plant Anal., 31(11-14), 2273-2282.

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D-311 Jaramillo, R., W. Bowen and J.J. Stoorvogel. 2001. “Carbofuran Presence in Soil Leachate, Groundwater, and Surface Water in the Potato Growing Area in Carchi, Ecuador,” CIP Program Report 1999–2000, pp. 355-359, International Potato Center, Lima, Peru.

D-312 Baigorria, G., W. Bowen and J. Stoorvogel. 2001. “Estimating the Spatial Variability of Weather in Mountain Environments,” CIP Program Report 1999-2000, pp. 371-378, International Potato Center, Lima, Peru.

D-313 Bowen, W. and R. Jaramillo. 2001. “Modelos de Dinámica de Nutrientes en el Suelo y en la Planta,” (Nutrient Dynamic Models of Soil and Plant Systems), Proceedings of the VII Ecuadorian Soils Congress [CD-ROM computer file], Quito, Ecuador, October 19-20, 2000.

D-314 Singh, U., P.W. Wilkens, W.E. Baethgen and T.S. Bontkes. 2002. “Decision Support Tools for Improved Resource Management and Agricultural Sustainability,” IN Agricultural System Models in Field Research and Technology Transfer, pp. 90-119, Lajpat R. Ahuja, Liwang Ma and Terry A. Howell (Eds.), CRC Press.

D-315 Roy, A.H. 2001. “Fertilizer Feeds the World,” IN Fertilizers in Focus, Proceedings of the FIFA Conference held May 28-29, 2001, Queensland, Australia, pp. 7-19.

D-316 Roy, A.H. 2002. “Fertilizer Needs to Enhance Production—Challenges Facing India,” IN Food Security and Environmental Quality in the Developing World, pp. 53-68, Rattan Lal, David Hansen, Norman Uphoff, and Steven Slack (Eds.), Lewis Publishers.

D-317** Breman, H. 2001. “Natural Resource Use in Agriculture in Sub-Saharan Africa: Myths and Realities,” IN Villages in the Future. Crops, Jobs and Livelihood, pp. 185-186, Virchow and J. von Braun (Eds.), Springer Verlag, Berlin.

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D-319** Helmers, G.A., C.F. Yamoah and G.E. Varvel. 2001. “Separating the Impacts of Crop Diversification and Rotations on Risk,” Agronomy Journal, 93(6):1337-1340.

D-320** Keatinge, J.D.H., H. Breman, V.M. Manyong, B. Vanlauwe and J. Wendt. 2001. “Sustaining Soil Fertility in West Africa in the Face of Rapidly Increasing Pressure for Agricultural Intensification,” IN Sustaining Soil Fertility in West Africa, pp. 1-21, G. Tian, F. Ishida and D. Keatinge (Eds.), November 5-9, 2000, Minneapolis, Minnesota, SSSA Special Publication No. 58, SSSA/ASA Madison, Wisconsin.

D-321** Schreurs, M.E.A. and H. van Reuler. 2001. “Urban Agriculture in Lomé,” IN Waste Composting for Urban and Peri-Urban Agriculture: Closing the Rural-Urban Nutrient Cycle in Sub-Saharan Africa, pp. 129-132, P. Drechsel and D. Kunze (Eds.), CABI Publishing, Wallingford.

D-322 Singh, U., J. Timsina and D. Godwin. 2002. “Testing and Application of CERES-Rice and CERES-Wheat Models for Rice-Wheat Cropping Systems,” IN Modelling Irrigated Cropping Systems With Special Attention to Rice-Wheat Sequences and Raised Bed Planting, pp. 17-32, E. Humphreys and J. Timsina (Eds.), Proceedings of a Workshop, CSIRO Land and Water, Griffith, NSW, Australia, February 25-28, 2002, CSIRO Land and Water Technical Report 25/02.

D-323 Bumb, B.L. and L.L. Hammond. 2002. “Fertilizers, Mineral,” IN Encyclopedia of Soil Science, pp. 560-565, Rattan Lal (Ed.), Marcel Dekker, Inc.

D-324 Kanampiu, F.K., J.K. Ransom, D. Friesen and J. Gressel. 2002. “Imazapyr and Pyrithiobac Movement in Soil and From Maize Seed Coats to Control Striga in Legume Intercropping,” Crop Protection, 21:611-619.

D-325 Chude, V.O., I.Y. Amapu, A.A. Yusuf, U. Singh, H. Breman and P. Dejean. 2001. “Validation of CERES-Maize Model Under Sub-Humid Tropical Conditions,” Nig. J. Soil. Res., 2:37-42.

D-326** Bontkes, T.S. 2002. “What is the Usefulness of Modelling?” Coraf Action, 23:4.

D-327** Breman, H. 2002. “Soil Fertility and Farmers’ Revenue: Keys to Desertification Control,” IN Integration and Regional Researches to Combat Desertification – Present State and Future Prospect – The 16th Global Environment Tsukuba, February 2002, pp. 26-41, Hideyuki Shimizu (Ed.), CGER-1051–2002, Center for Global Environmental Research, National Institute for Environmental Studies.

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D-328 Jones, J.W., G. Hoogenboom, C.H. Porter, K.J. Boote, W.D. Batchelor, L.A. Hunt, P.W. Wilkens, U. Singh, A.J. Gijsman and J.T. Ritchie. 2003. “The DSSAT Cropping System Model,” European Journal of Agronomy, 18:235-265.

D-329** Breman, H. and S.K. Debrah. 2003. “Improving African Food Security,” SAIS Review, Vol. XXIII No. 1, pp. 153-170.

D-330** Haefele, S.M., M.C.S. Wopereis, M.K. Ndiaye, S.E. Barro and M. Ould Isselmou. 2003. “Internal Nutrient Efficiencies, Fertilizer Recovery Rates and Indigenous Nutrient Supply of Irrigated Lowland Rice in Sahelian West Africa,” Field Crops Research, 80:19-32.

D-331** Maatman, A. 2002. “If the River Bends, the Crocodile Will Bend Too,” IN Food Markets and Food Security in West Africa, pp. 73-97, Clemens Lutz (Ed.), CDS Research Report No. 15, Center for Development Studies, University of Groningen.

D-332 Baethgen, W.E. and A. Giménez. 2002. “Seasonal Climate Forecasts and the Agricultural Sector of Uruguay,” ENSO and Society - Examples of ENSO-Society Interactions: Agricultural Sector of Uruguay, International Research Institute for Climate Prediction. http://iri.columbia.edu/climate/ENSO/societal/example/Baethgen.html; accessed June 11, 2003.

D-333 Singh, U., S.K. Patil, J. Timsina, J.K. Ladha and Y. Singh. 2002. “Using Decision Support Systems for Sustainability and Environmental Quality Assessment in Input Intensive Cropping Systems,” IN International Conference on Managing Natural Resources for Sustainable Agricultural Production in the 21st Century, Invited Papers, pp. 483-498, New Delhi, India, February 14-18, 2000.

D-334** Gakou, Amadou and Abdoulaye Keita. 2002. “Mali—Une consommation d’engrais centrée sur la zone cotonnière et l’Office du Niger,” Réseau des obsevatoires du riz en Afrique de l’Ouest, Numéro 2, pp. 10-14, African Agricultural Market Information Network (AFAMIN).

D-335** Bremen, H. 2003. “IFDC Launches MIR to Support Agriculture in West Africa,” Fertilizers & Agriculture, May, p. 1.

D-336** Deffo, V., S. Hounzangbe-Adote, R. Maliki, M.H. Ould Ferroukh, E. Torquebiau and H. van Reuler. 2002. “Options d’intensification durable des cultures vivrieres ausud du Togo,” African Crop Science Journal, 10(3):239-249.

D-338** Becker, M., D.E. Johnson, M.C.S. Wopereis and A. Sow. 2003. “Rice Yield Gaps in Irrigated Systems Along an Agro-Ecological Gradient in West Africa,” J. Plant Nutr. Soil Sci., 166(1):61-67.

D-339** Meertens, H.C.C. 2003. “The Prospects for Integrated Nutrient Management for Sustainable Rainfed Lowland Rice Production in Sukumaland, Tanzania,” Nutrient Cycling in Agroecosystems, 65:163-171.

D-340** Breman, H. 2002. “Integrated Soil Fertility Management: Opportunities for Smallholders in West Africa,” LEISA Magazine, p. 15.

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D-344 Crissman, C., D. Yanggen, J. Antle, D. Cole, J. Stoorvogel, V. Barrera, P. Espinosa and W. Bowen. 2003. “Relaciones de intercambio existentes entre agricultura, medio ambiente y salud humana con el uso de plaguicidas” (in Spanish), IN Los Plaguicidas Impactos en Producción, Salud y Medio Ambiente en Carchi, Ecuador, p. 147-162, D. Yanggen, C. Crissman and P. Espinosa (Eds.), International Potato Center (CIP) and Instituto Nacional Autonomo de Investigaciones Agropecuarias, Ediciones Abya-Yala, Quito, Ecuador.

D-345 Kanampiu, F.K., V. Kabambe, C. Massawe, L. Jasi, D.K. Friesen, J.K. Ransom and J. Gressel. 2003. “Multi-Site, Multi-Season Field Tests Demonstrate That Herbicide Seed-Coating Herbicide-Resistance Maize Controls Striga spp. and Increases Yields in Several African Countries,” Crop Protection, 22(5):697-706.

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D-347 Hartkamp, A.D., G. Hoogenboom, R.A. Gilbert, T. Benson, S.A. Tarawali, A.J. Gijsman, W. Bowen and J.W. White. 2002. “Adaptation of the CROPGRO Growth Model to Velvet Bean (Mucuna pruriens) II. Cultivar Evaluation and Model Testing,” Field Crops Research, 78:27-40.

D-348 Bowen, W.T. 2003. “Water Productivity and Potato Cultivation,” IN Water Productivity in Agriculture: Limits and Opportunities for Improvement, pp. 229-238, J.W. Kline, R. Barker and D. Molden (Eds.), CAB International.

D-349 Bowen, W.T., S.S. Lal and P.M. Govindakrishnan. 2002. “Simulation of Potato Based Cropping Systems,” IN Potato, Global Research and Development - Volume II, p. 776-787, S.M. Paul Khurana, G.S. Shekhawat, S.K. Pandey and B.P. Singh (Eds.), Indian Potato Association, Shimla.

D-350 Roy, A.H. 2003. “Fertilizers,” IN Riegel’s Handbook of Industrial Chemistry, Tenth Edition, pp. 386-428, James A. Kent (Ed.). Kluwer Academic/Plenum Publishers, New York.

D-351 Haefele, S.M., M.C.S. Wopereis, A.-M. Schloebohm and H. Wiechmann. 2004. “Long-Term Fertility Experiments for Irrigated Rice in the West African Sahel: Effect on Soil Characteristics,” Field Crops Research, 85:61-77.

D-352 Haefele, S.M., M.C.S. Wopereis, M.K. Ndiaye, S.E. Barro and M. Ould Isselmou. 2003. Internal Nutrient Efficiencies, Fertilizer Recovery Rates and Indigenous Nutrient Supply of Irrigated Lowland Rice in Sahelian West Africa,” Field Crops Research, 80:19-32.

D-353 Zougmoré, R., A. Mando and L. Stroosnijder. 2004. “Effect of Soil and Water Conservation and Nutrient Management on the Soil-Plant Water Balance in Semi-Arid Burkina Faso,” Agricultural Water Management, 65:103-120.

D-354 Zougmoré, R., A. Mando, J. Ringersma and L. Stroosnijder. 2003. “Effect of Combined Water and Nutrient Management on Runoff and Sorghum Yield in Semiarid Burkina Faso,” Soil Use and Management, 19:257-264.

D-355 Faria, R.T. and W.T. Bowen. 2003. “Evaluation of DSSAT Soil-Water Balance Module Under Cropped and Bare Soil Conditions,” Brazilian Archives of Biology and Technology, 46(4):489-498.

D-356 Bumb, B.L., D.I. Gregory and U. Singh. 2003. “Globalization and Fertilizer Use: Policy and Efficiency Issues,” IN Feed the Soil to Feed the People, The Role of Potash in Sustainable Agriculture, pp. 109-128, Proceedings of the IPI Golden Jubilee Congress 1952–2002, A.E. Johnston (Ed.), International Potash Institute, Basel, Switzerland.

D-356a Fofana, B., M. Wopereis, R. Zougmoré, H. Breman and A. Mando. 2003. “Integrated Soil Fertility Management, and Effective Water Conservation Technology for Sustainable Dryland Agriculture in Sub-Saharan Africa,” IN Proceedings Water Conservation Technologies for Sustainable Dryland Agriculture in Sub-Saharan Africa, pp. 109-117.

D-357 de Ridder, N., H. Breman, H. van Keulen and T.J. Stomph. 2004. “Revisiting a ‘Cure Against Land Hunger’: Soil Fertility Management and Farming Systems Dynamics in the West African Sahel,” Agricultural Systems, 80:109-131.

D-358** Haefele, S.M., D.E. Johnson, D.M’Bodj, M.C.S. Wopereis and K.M. Miezan. 2004. “Field Screening of Diverse Rice Genotypes for Weed Competitiveness in Irrigated Lowland Eco-systems,” Field Crops Research, 88:29-46.

D-359 Craswell, E.T., U. Grote, J. Henao and P.L.G. Vlek. 2004. “Nutrient Flows in Agricultural Production and International Trade: Ecological and Policy Issues,” ZEF – Discussion Papers on Development Policy No. 78, Center for Develop-ment Research, Bonn, pp. 62.

D-360 Thompson, T.P. 2004. “Module 6: Investment in Agribusiness and Market Development. Promoting Private Sector Fertilizer Distribution Systems,” Agriculture Investment Sourcebook, pp. 285-289, World Bank. http://www.esd.worldbank.org/ais/Module06/pdf/mod_06_04.pdf (accessed May 21, 2004).

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D-363** Bayala, J., A. Mando, S.J. Ouédraogo and Z. Teklehaimanot. 2003. “Managing Parkia biglobosa and Vitellaria paradoxa Prunings for Crop Production and Improved Soil Properties in the Sub-Sudanian Zone of Burkina Faso,” Arid Land Research and Management, 17:283-296.

D-364** Fofana, B., M.C.S. Wopereis, R. Zougmoré, H. Breman and A. Mando. 2004. “Integrated Soil Fertility Management, An Effective Water Conservation Technology for Sustainable Dryland Agriculture in Sub-Saharan Africa,” WCT Symposium Proceedings, South Africa, pp. 109-117.

D-364a Zougmoré, Robert, Korodjouma Ouattara, Abdoulaye Mando and Badiori Ouattara. 2004. “Rôle des Nutriments dans le Succès des Techniques de Conservation des Eaux et des Sols (Cordons Pierreux, Bandes Enherbées, Zaï et Demi-Lunes) au Burkina Faso,” Sécheresse 15(1):41-48.

D-365** Ouédraogo, E., A. Mando and L. Brussaard. 2003. “Effect of Organic Resources Management on Soil Biodiversity and Crop Performance Under Semi-Arid Conditions in West Africa,” IN F. Waliyar, L. Colette and P.E. Kenmore (Eds.), Proceedings of the Workshop “Sustaining Agricultural Productivity and Enhancing Livelihoods Through Optimization of Crop and Crop-Associated Biodiversity With Emphasis on Semi-Arid Tropical Agroecosystems,” September 23-25, 2002, Patancheru, Andra Pradesh, India, ICRISAT/FAO, pp. 89-101.

D-366** Van Asten, P.J.A., M.C.S. Wopereis, S. Haefele, M. Ould Isselmou and M.J. Kropff. 2003. “Explaining Yield Gaps in Farmer-Identified Degraded and Non-Degraded Soils in a Sahelian Irrigated Rice Scheme,” Netherlands Journal of Agricultural Science, 50:277-296.

D-367** Debrah, S.K. 2003. “Market Information – A New Network,” IN AGFAX, Communicating Science for Sustainable Development, CD and tape, Wrenmedia.

D-368**Van Asten, P.J.A., S.E. Barro, M.C.S. Wopereis and T. Defoer. 2004. “Using Farmer Knowledge to Combat Low Productive Spots in Rice Fields of a Sahelian Irrigation Scheme,” Land Degradation & Development, 15:383-396. Published online June 15, 2004, in Wiley InterScience (www.interscience.wiley.com).

D-369 Ouédraogo, E., A. Mando and L. Brussaard. 2004. “Soil Macrofaunal-Mediated Organic Resource Disappearance in Semi-Arid West Africa,” Applied Soil Ecology, 27(3):259-267.

D-369a Timsina, Jagadish, Himanshu Pathak, E. Humphreys, Doug Godwin, Bijay Singh, A.K. Shukla and Upendra Singh. 2004. “Evaluation of, and Yield Gap Analysis in Rice Using, CERES Rice ver. 4.0 in Northwest India,” Proceedings of the 4th International Crop Science Congress, September 26-October 1, 2004.

D-370 Mando, A., B. Ouattara, M. Sédogo, L. Stroosnijder, K. Ouattara, L. Brussaard and B. Vanlauwe. 2005. “Long-Term Effect of Tillage and Manure Application on Soil Organic Fractions and Crop Performance Under Sudano-Sahelian Conditions,” Soil & Tillage Research, 80:95-101.

D-372 Tolessa, D. and D.K. Friesen. 2004. “Effect of Enriching Farmyard Manure With Mineral Fertilizer on Grain Yield of Maize at Bako, Western Ethiopia,” pp. 335-337, IN D.K. Friesen and A.F.E. Palmer (Eds.), Integrated Approaches to Higher Maize Productivity in the New Millennium: Proceedings of the Seventh Eastern and Southern Africa Regional Maize Conference, 5-11 February 2002, Nairobi, Kenya, CIMMYT (International Maize and Wheat Improvement Center) and KARI (Kenya Agricultural Research Institute).

D-373 Gitari, J.N. and D.K. Friesen. 2004. “The Use of Organic/Inorganic Soil Amendments for Enhanced Maize Production in the Central Highlands of Kenya,” pp. 367-371, IN D.K. Friesen and A.F.E. Palmer (Eds.), Integrated Approaches to Higher Maize Productivity in the New Millennium: Proceedings of the Seventh Eastern and Southern Africa Regional Maize Conference, 5-11 February 2002, Nairobi, Kenya, CIMMYT (International Maize and Wheat Improvement Center) and KARI (Kenya Agricultural Research Institute).

D-373a Timsina, J., U. Singh, D. Godwin and E. Humphreys. 2004. “Modelling Chilling Injury in Rice Using CSM-CERES-Rice,” IN International Rice Cold Tolerance Conference Proceedings, Canberra, Australia, July 22-23, 2004.

D-374 Wakene Negassa, Tolera Abera, D.K. Friesen, Abdenna Deressa and Berhanu Dinsa. 2004. “Evaluation of Compost for Maize Production Under Farmers’ Conditions,” pp. 82-386, IN

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D-374a Pathak, H., J. Timsina, E. Humphreys, D.C. Godwin, Bijay-Singh, A.K. Shukla, U. Singh and R.B. Matthews. 2004. Simulation of Rice Crop Performance and Water and N Dynamics, and Methane Emissions for Rice in Northwest India Using CERES Rice Model. CSIRO Land and Water Technical Report 23/04. CSIRO Land and Water, Griffith, NSW 2680, Australia. 111 p.

D-375 Achieng, J., D. Friesen, O. Odongo and M. Odendo. 2004. “Sustainability of Fertilizer Use on Maize Production in Western Kenya Through Provision of Credit,” pp. 428-431, IN D.K. Friesen and A.F.E. Palmer (Eds.). Integrated Approaches to Higher Maize Productivity in the New Millennium: Proceedings of the Seventh Eastern and Southern Africa Regional Maize Conference, 5-11 February 2002, Nairobi, Kenya, CIMMYT (International Maize and Wheat Improvement Center) and KARI (Kenya Agricultural Research Institute).

D-375a Bayala, A. Mando, Z. Teklehaimanot and S.J. Ouedraogo. 2005. “Nutrient Release From Decomposing Leaf Mulches of Karité (Vitellaria Paradoxa) and Néré (Parkia Biglobosa) Under Semi-Arid Conditions in Burkina Faso, West Africa,” Soil Biology & Biochemistry 37:533-539.

D-375b Fofana, B., A. Tamélokpo, M.C.S. Woperis, H. Breman, K. Dzotsi and R.J. Carsky. 2005. “Nitrogen Use Efficiency by Maize as Affected by a Mucuna Short Fallow and P Application in the Coastal Savanna of West Africa,” Nutrient Cycling in Agroecosystems, 71:227-237.

D-376 Mando, A., D. Fatondji, R. Zougmore, L. Brussaard, C. Bielders and C. Martius. 2006. “Restoring Soil Fertility in Semi-Arid West Africa: Assessment of an Indigenous Technology,” IN Biological Approaches for Sustainable Soil Systems, N. Uphoff et al. (Eds.), pp. 391-399, CRC Press, Taylor & Francis Group, Boca Raton, FL.

D-377 Ouédraogo, E., A. Mando and L. Brussaard. 2006. “Soil Fauna Impacts on Soil Physical

Properties,” IN Biological Approaches to Sustainable Soil Systems, N. Uphoff et al. (Eds.), pp. 163-175, CRC Press, Taylor & Francis Group, Boca Raton, FL.

D-377a Ouédraogo, Elisée, Leo Stroosnijder, Abdoulaye Mando, Lijbert Brussaard and Robert Zougmoré. 2007. “Agroecological Analysis and Economic Benefit of Organic Resources and Fertiliser in Till and No-Till Sorghum Production After a 6-Year Fallow in Semi-Arid West Africa,” Nutrient Cycling in Agroecosystems, 77:245-256.

D-377b Brussaard, Lijbert, Mirjam M. Pulleman, Elisée Ouédraogo, Abdoulaye Mando and Johan Six. 2006. “Soil Fauna and Soil Function in the Fabric of the Food Web,” Pedobiologia 50:447-462.

D-377c Graham, Robin D., Ross M. Welch, David A. Saunders, Ivan Ortiz-Monasterio, Howarth E. Bouis, Merideth Bonierbale, Stef de Haan, Gabriella Burgos, Graham Thiele, Reyna Liria, Craig A. Meisner, Steve E. Beebe, Michael J. Potts, Mohinder Kadian, Peter R. Hobbs, Raj K. Gupta and Steve Twomlow. 2007. “Nutritious Subsistence Food Systems,” Advances in Agronomy, Vol. 92, pp. 1-72.

D-378 Patil, S.K., U. Singh, V.N. Mishra and R.O. Das. 2006. “Application of Spatial Information Technology for Fertiliser Recommendation Maps,” Indian Journal of Fertilisers, Vol. 2(8):29-35.

D-378a Ouattara, Badiori, Korodjouma Ouattara, Georges Serpantié, Abdoulay Mando, Michel P. Sédogo and André Bationo. 2007. “Intensity Cultivation Induced Effects on Soil Organic Carbon Dynamic in the Western Cotton Area of Burkina Faso,” Nutrient Cycling in Agroecosystems, 76:331-339.

D-378b Ouédraogo, Elisée, Abdoulaye Mando, Lijbert Brussaard and Leo Stroosnijder. 2007. “Tillage and Fertility Management Effects on Soil Organic Matter and Sorghum Yield in Semi-Arid West Africa,” Soil and Tillage Research 94(2007):64-74.

D-378c Dossa, E.L., E.C.M. Fernandes, W.S. Reid and K. Ezui. 2008. “Above- and Belowground Biomass, Nutrient and Carbon Stocks Contrasting an Open-Grown and a Shaded Coffee Plantation,” Agroforest Syst. 72:103-115.

D-379 Kapoor, Vibhu, U. Singh, S.K. Patil, H. Magre, L.K. Shrivastava, V.N. Mishra, R.O. Das, V.K. Samadhiya, J. Sanabria and R. Diamond. 2008. “Rice Growth, Grain Yield, and Floodwater

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Nutrient Dynamics as Affected by Nutrient Placement Method and Rate,” Agronomy Journal, 100(3):526-536.

D-379a Zougmoré, Robert and Abdoulaye Mando. 2008. “Benefits of Integrated Soil Fertility and Water Management in Semi-Arid West Africa: An Example Study in Burkina Faso,” Nutrient Cycling in Agroecosystems, 88:17-27.

D-379b Ouédraogo, Elisée, Abdoulaye Mando and Lijbert Brussaard. 2008. “Termites and Mulch Work Together to Rehabilitate Soils,” LEISA Magazine, 24(2).

D-380 Fofana, B., M.C.S. Wopereis, A. Bationo, H. Breman and A. Mando. 2008. “Millet Nutrient Use Efficiency as Affected by Natural Soil Fertility, Mineral Fertilizer Use and Rainfall in the West African Sahel,” Nutrient Cycling in Agroecosystems, 81:25-36.

D-380a Breman, Henk, Bidjokazo Fofana and Abdoulaye Mando. 2008. “The Lesson of Drente’s ‘Essen’ Soil Nutrient Depletion in Sub-Saharan Africa and Management Strategies for Soil Replenishment,” IN Braimoh, A.K. and P.L.G. Vlek. 2007. Land Use and Soil Resources. Springer Media B.V., pp. 145-166.

D-380b Dangbégnon, C., A. Mando, J.M. Sogbedji, R. Zougmore and S. Youl. 2008. “Towards Successful Collective Action for Watershed Development for Improved Smallholder Livelihoods in West Africa,” Paper submitted to the 12th International Conference of the International Association for the Study of Commons on: Governing Shared Resources: Connecting Local Experience to Global Challenges, July 14-18, 2008, Cheltenham, England.

D-380c Diedhiou, S., E.L. Dossa, A.N. Badiane, I. Diedhiou, M. Sène and R.P. Dick. 2008. “Decomposition and Spatial Microbial Heterogeneity Associated with Native Shrubs in Soils of Agroecosystems in Semi-Arid Senegal,” Pedobiologia 52:273-286.

D-380d Dossa, E.L., S. Diedhiou, J.E. Compton, K.B. Assigbetse and R.P. Dick. 2009. “Spatial Patterns of P Fractions and Chemical Properties in Soils of Two Native Shrub Communities in Senegal,” Plant Soil 327:185-198.

D-380e Ram, P.C., M.A. Mazid, A.M. Ismail, P.N. Singh, V.N. Singh, M.A. Haque, U. Singh, E.S. Ella and B.B. Singh. 2009. “Crop and Resource Management in Flood-Prone Areas: Farmers’ Strategies and Research Development.” pp. 82-

94, IN S.M. Haefele and A.M. Ismali (Eds.). Natural Resource Management for Poverty Reduction and Environmental Sustainability in Fragile Rice-Based Systems, IRRI Limited Proceedings No. 15, Los Baños, Philippines, International Rice Research Institute.

D-380f Youl, Sansan, Bruno Barbier, Charles-Henri Moulin, Raphael J. Manlay, Edwige Botoni, Dominique Masse, Victor Hien and Christian Feller. 2008. “Modèlisation Empirique des Principaux Déterminants Socio-économiques de la Gestion des Exploitations Agricoles au Sud-Ouest du Burkina Faso,” Biotechnol. Agron. Soc. Environ. 12(1):9-21.

D-381 Adodo, Ketline. 2006. “Empowering Women Farmers Through On-Farm Research and Development in the Maritime Region of Togo,” RUFORUM Working Document No. 1, pp. 107-117.

D-381a Ezui, K.S., C.K. Daudu, A. Mando, M.T. Kudi, A.C. Odunze, J.O. Adeosun, I.Y. Amapu, B. Tarfa, I. Sambo, I. Bello and C. Dangbegnon. 2010. “Informed Site-Specific Fertilizer Recommendation for Upland Rice Production in Northern Guinea Savannah of Nigeria,” Paper presented at the Second Africa Rice Congress, Bamako, Mali, March 22-26, 2010.

D-381b Odunze, A.C., T.M. Kudi C., J. Adeosun, G. Ayoola, I.Y. Amapu, S.T. Abu, A. Mando, G. Ezui and D. Constance. 2010. “Soil Moisture Stress Mitigation for Sustainable Upland Rice Production in the Northern Guinea Savanna of Nigeria,” Agriculture and Biology Journal of North America 1(6):1193-1198.

D-381c Youl, S., M. Bélem, B. Barbier, R.J. Manlay and D. Masse. 2009. “Multi Agents Model for Carbone Dynamic Simulation at Village Area Scale (Modèle Multi-Agents pour la simulation de la dynamique de Carbone à l’échelle du terroir villageois,” Sud Sciences & Technologies Semestriel N° 17, Juin (in French).

D-381d Roy, A. 2010. “Chapter 6. The Role of Fertilizers in Food Production,” IN Food Security and Soil Quality, Rattan Lal and B.A. Stewart (Eds.), pp. 109-136, Advances in Soil Science Series, CRC Press, Boca Raton, Florida.

D-382 Wilkens, P.W. 2011. “Evaluation of Satellite-Based Modeled-Derived Daily Solar Radiation Data for the Continental United States,” Agronomy Journal, Vol. 103, No. 4.

D-383 Austin, E.R., U. Singh, S.H. Chien and J.S. Kruse. 2011. “Separating Nitrogen Polymers

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from Urea in Ureaform Fertilizer to Study Soil Nitrogen Transformations,” Soil Science of America Journal, Vol. 75, No. 4.

D-383a Zida, Zacharie, Elisée Ouédraogo, Abdoulaye Mando and Leo Stroosnijder. 2011. “Termite and Earthworm Abundance and Taxonomic Richness Under Long-Term Conservation Soil Management in Saria, Burkina Faso, West Africa,” Applied Soil Ecology, 51(2011):122-129.

D-384 White, Jeffrey W., G. Hoogenboom, P.W. Wilkens, P.W. Stackhouse Jr. and J.M. Hoel. 2011. “Evaluation of Satellite-Based, Modeled-Derived Daily Solar Radiation Data for the Continental United States,” Agronomy Journal, Vol. 103, No. 4.

D-384a Ayoola, J.B., T.M. Kudi, C. Dangbegnon, C.K. Daudu, A. Mando, I.Y. Amapu, J.O. Adeosun and K.S. Ezui. 2011. “Gender Perspectives of Action Research for Improved Rice Value Chain in Northern Guinea Savanna, Nigeria,” Journal of Agricultural Science, 4(1):211-218.

D-385 Mall, Scott. 2012. “IFDC – 35 Years On,” Fertilizer Focus, 29(5):18-20.

D-385a Dogbe, W., J. Sogbedji, A. Mando, S.S.J. Buah, S.K. Nutsugah, R.A.L. Kanton, I.D.K. Atokple, A. Amankwah, A.N. Wiredu, A.S. Karikari, K. Djamon, C. Osei, O. Ajayi and K. Ndiaye. 2012. “Partnership for Improved Access to Agro-Inputs and Technology: Some Experiences from the Emergency Rice Initiative Project in Ghana,” African Journal of Agricultural Research, 7(34):4790-4802.

D-385b Dossa, E.L., I. Diedhiou, M. Khouma, M. Sene, A. Lufafa, F. Kizito, S.A.N. Samba, A.N Badiane, S. Diedhiou and R.P. Dick. 2012. “Crop Productivity and Nutrient Dynamics in a Shrub (Guiera Senegalensis)-Based Farming System of the Sahel,” Agronomy Journal 104(5):1255-1264.

D-386 Agyin-Birikorang, S., G.A. O’Connor, P.C. Pullammanappallil and G.R. Mohan. 2013. “Recovery of Essential Plant Nutrients From Biofuel Residual,” Journal of Sustainable Bioenergy Systems, 3:149-159.

D-387 Agyin-Birikorang, S., G.A. O’Connor and J.E. Erickson. 2013. “Sustainable Nutrient Management Package for Cost-Effective Bioenergy Biomass Production,” Journal of Plant Nutrition, 36:1881-1900

D-388 Gaihre, Y.K., A. Tirol-Padre, R. Wassman, E. Aquino, G.V. Pangga and P.C. Sta. Cruz. 2011. “Spatial and Temporal Variations in Methane Fluxes from Irrigated Lowland Rice Fields,” The Philippine Agricultural Scientist, 94(4):335-342.

D-389 Gaihre, Yam Kanta, Reiner Wassmann and Gina Villegas-Pangga. 2013. “Impact of Elevated Temperatures on Greenhouse Gas Emissions in Rice Systems: Interaction with Straw Incorporation Studied in a Growth Chamber Experiment,” Plant Soil, 373:857-875.

D-390 IFDC. 2013. “Improved Harvests in Bakshi,” Appropriate Technology, 40(4):24.

D-391 IFDC. 2013. “Mucuna Fallowing Improves Soil and Crop Yields in West Africa,” Appropriate Technology 40(4):25-26.

D-392 IFDC. 2013. “Sesame Production Expands in Mali,” Appropriate Technology, 40(4):21-23.

D-392a Wanzala, Maria and Rob Groot. 2013. “Fertiliser Market Development in Sub-Saharan Africa,” Proceedings No. 731, International Fertiliser Society, London, UK.

D-392b Diedhiou-Sall, S., E.L. Dossa, I. Diedhiou, A.N. Badiane, K.B. Assigbetsé, M. Khouma, M. Sène and R.P. Dick. 2013. “Microbiology and Macrofaunal Activity in Soil Beneath Shrub Canopies during Residue Decomposition in Agroecosystems of the Sahel,” Soil Sci. Soc. Am. J., 77(2):501-511. ISSN 0361-5995

D-393 Gaihre, Yam Kanta, Reiner Wassmann, Agnes Tirol-Padre, Gina Villegas-Pangga, Eugenio Aquino and Bruce A. Kimball. 2014. “Seasonal Assessment of Greenhouse Gas Emissions from Irrigated Lowland Rice Fields under Infrared Warming,” Agriculture, Ecosystems and Environment, 184:88-100.

D-394 Wendt, J.W. and S. Hauser. 2013. “An Equivalent Soil Mass Procedure for Monitoring Soil Organic Carbon in Multiple Soil Layers,” European Journal of Soil Science, 64:58-65.

D-395 Roy, Amit H. 2012. “Fertilizers and Food Production,” IN Handbook of Industrial Chemistry and Biotechnology, James A. Kent (Ed.), Vol. 2, 12th edition, pp. 959-996.

D-395a Bindraban, Prem S., Christian O. Dimkpa, Latha Nagarajan, Amit H. Roy and Rudy Rabbinge. 2014. “Towards Fertilisers for Improved Uptake by Plants,” Proceedings No: 750, International Fertiliser Society Conference, London, UK, July 3.

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D-395b Mawussi, Gbénonchi, Rômulo P. Scorza Júnior, Ekwe L. Dossa and Koffi-Kouma Akouété Alaté. 2014. “Insecticide Residues in Soil and Water in Coastal Areas of Vegetable Production in Togo,” Environmental Monitoring and Assessment, 186(11):7379-7385.

D-395c Vanlauwe, B., J. Wendt, K.E. Giller, M. Corbeels, B. Gerard and C. Nolte. 2014. “A Fourth Principle Is Required to Define Conservation Agriculture in Sub-Saharan Africa: The Appropriate Use of Fertilizer to Enhance Crop Productivity,” Field Crops Research 155:10-13.

D-396 White, J.W., G. Alagarswamy, M.J. Ottman, C.H. Porter, U. Singh and G. Hoogenboom. 2015. “An Overview of CERES–Sorghum as Implemented in the Cropping System Model Version 4.5,” Agronomy Journal, 107(6):1987-2002.

D-396a Devkota, K.P., G. Hoogenboom, K.J. Boote, U. Singh, J.P.A. Lamers, M. Devkota and P.L.G. Vlek. 2015. “Simulating the Impact of Water Saving Irrigation and Conservation Agriculture Practices for Rice-Wheat Systems in the Irrigated Semi-Arid Drylands of Central Asia,” Agricultural and Forest Meteorology 214-215: 266-280.

D-396b Bandaogo, Alimata, Fofana Bidjokazo, Sansan Youl, Ebenezer Safo, Robert Abaidoo and Opoku Andrews. 2015. “Effect of Fertilizer Deep Placement with Urea Supergranule on Nitrogen Use Efficiency of Irrigated Rice in Sourou Valley (Burkina Faso),” Nutr. Cycl. Agroecosyst. 102:79-89.

D-397 Tao, Li, Toshihiro Hasegawa, Xinyou Yin, Yan Zhu, Kenneth Boote, Myriam Adam, Simone Bregaglio, Samuel Buis, Roberto Confalonieri, Tamon Fumoto, Donald Gaydon, Manuel Marcaida III, Hiroshi Nakagawa, Philippe Oriol, Alex C. Ruane, Francoise Ruget, Balwinder-Singh, Upendra Singh, Liang Tang, Fulu Tao, Paul Wilkens, Hiroe Yoshida, Zhao Zhang and Bas Bouman. 2015. “Uncertainties in Predicting Rice Yield by Current Crop Models Under a Wide Range of Climatic Conditions,” Global Change Biology, 21:1328-1341.

D-398 Martre, Pierre, Giacomo De Sanctis, Marc Corbeels, Jim Jones, D. Makowski, S. Asseng, F. Ewert, S. Bassu, J.L. Durand, T. Li, P. Martre, M. Adam, P.K. Aggarwal, C. Angulo, C. Baron, B. Basso, P. Bertuzzi, C. Biernath, H. Boogaard, K.J. Boote, B. Bouman, S. Bregaglio, N. Brisson, S. Buis, D. Cammarano,

A.J. Challinor, R. Confalonieri, J.G. Conijn, M. Corbeels, D. Deryng, G. De Sanctis, J. Doltra, T. Fumoto, D. Gaydon, S. Gayler, R. Goldberg, R.F. Grant, P. Grassini, J.L. Hatfield, T. Hasegawa, L. Heng, S. Hoek, J. Hooker, L.A. Hunt, J. Ingwersen, R.C. Izaurralde, R.E.E. Jongschaap, J.W. Jones, R.A. Kemanian, K.C. Kersebaum, S.-H. Kim, J. Lizaso, M. Marcaida III, C. Muller, H. Nakagawa, S. Naresh, Kumar, C. Nendel, G.J. O’Leary, J.E. Olesen, P. Oriol, T.M. Osborne, T. Palosuo, M.V. Pravia, E. Priesack, D. Ripoche, C. Rosenzweig, A.C. Ruane, F. Ruget, F. Sau, M.A. Semenov, I. Shcherbak, B. Singh, U. Singh, H.K. Soo, P. Steduto, C. Stockle, P. Stratonovitch, T. Streck, I. Supit, L. Tang, F. Tao, E.I. Teixeira, P. Thorburn, D. Timlin, M. Travasso, R. P. Rotter, K. Waha, D. Wallach, J.W. White, P. Wilkens, J.R. Williams, J. Wolf, X. Yin, H. Yoshida, Z. Zhang and Y. Zhu. 2015. “A Statistical Analysis of Three Ensembles of Crop Model Responses to Temperature and CO2 Concentration,” Agricultural and Forest Meteorology, 483-493.

D-399 Vanlauwe, B., K. Descheemaeker, K.E. Giller, J. Huising, R. Merckx, G. Nziguheba, J. Wendt and S. Zingore. 2015. “Integrated Soil Fertility Management in Sub-Saharan Africa: Unravelling Local Adaptation,” Soil, (1):491-508.

D-400 Bindraban, Prem S., Christian Dimkpa, Latha Nagarajan, Amit Roy and Rudy Rabbinge. 2015. “Revisiting fertilisers and fertilisation strategies for improved nutrient uptake by plants,” Biology and Fertility of Soils, 51(5):897-911.

D-401 Ezui, K.S., A.C. Franke, A. Mando, B.D.K. Ahiabor, F.M. Tetteh, J. Sogbedji, B.H. Janssen and K.E. Giller. 2016. “Fertiliser Requirements for Balanced Nutrition of Cassava across Eight Locations in West Africa,” Field Crops Research 185:69-78.

D-402 Takeshima, Hiroyuki and Latha Nagarajan. 2015. “Farmer Preferences on Seed Purchase Timing: Some Evidence from Nigeria,” Journal of Crop Improvement, 29(1):131-158.

D-402a Scholz, R.W., D.T. Hellums, and A.H. Roy. 2015. “Global Sustainable Phosphorus Management” A Transdisciplinary Venture,” Current Science 108(7):3-12.

D-403 Miah, Md. Abdul Mazid, Yam Kanta Gaihre, Grahame Hunter, Upendra Singh and Syed Afzal Hossain. 2016. “Fertilizer Deep Placement Increases Rice Production: Evidence from

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Farmers’ Fields in Southern Bangladesh,” Agron J., 108(2):1-8.

D-404 Sheahan, Megan, Joshua Ariga and T.S. Jayne. 2016. “Modeling the Effects of Input Market Reforms on Fertiliser Demand and Maize Production: A Case Study from Kenya,” Journal of Agricultural Economics, doi: 10.1111/1477-9552.12150.

D-405 Dimkpa, Christian O., Prem S. Bindraban, Job Fugice, Sampson Agyin-Birikorang, Upendra Singh, and Deborah Hellums. (2017). "Composite micronutrient nanoparticles and salts decrease drought stress in soybean," Agron. Sustain. Dev., 37:5, 13 pages. DOI 10.1007/s13593-016-0412-8.

D-406 Nagarajan, L., A. Naseem, and C. Pray. (2016). “The political economy of genetically modified maize in Kenya,” AgBioForum, 19(2), 198-214. http://www.agbioforum.org/v19n2/v19n2a09-naseem.htm.

D-407 Ryan R. Romasanta, Bjoern Ole Sander, Yam Kanta Gaihre, et al. 2017. "How does burning of rice straw affect CH4 and N2O emissions? A comparative experiment of different on-field straw management practices." Agriculture, Ecosystems and Environment, 239:143–153.

D-408 Y. K. Gaihre, R. Wassmanna, G. Villegas-Pangga, J. Sanabria, et al. November 2016. "Effects of increased temperatures and rice straw incorporation on methane and nitrous oxide emissions in a greenhouse experiment with rice." European Journal of Soil Science, 67:868–880. DOI: 10.1111/ejss.12389.

D-409 Yam Kanta Gaihre, Badirul Islam, Ishrat Jahan, and Josh DeWald. September 6-8, 2016. "Opportunities and challenges of subsurface fertilizer application in specialty crops in Bangladesh." Presented at the 24th International Symposium of the International Scientific Centre of Fertilizers, Plant Nutrition and Fertilizer Issues for Specialty Crops. Coimbra (Portugal), Berichte aus dem Julius Kühn-Institut 185, 2016 12.

D-410 Walter S. de Boef, Latha Nagarajan and Carl Pray. Organized 23 March 2015, London, United Kingdom by Bill & Melinda Gates Foundation and United States Agency for International Development. "Promoting commercial and sustainable supply of early generation seed of food crops in sub-Saharan Africa." Synthesis of joint activities implemented by the Bill & Melinda Gates Foundation, US Agency for International Development (USAID)

and Alliance for a Green Revolution in Africa (AGRA). http://bit.ly/2sZpXU0

D-411 Dimkpa, Christian. 2017. “Balanced plant nutrition and the future of micronutrients,” Fertilizer Focus, July/August, pp. 59-61.

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E-4 Hammond, L.L. and M.S. Mudahar. 1984. “Agricultural Sulphur Requirements in Developing Countries,” Proceedings of Sulphur-84, pp. 778-787, An International Conference, Calgary, Alberta, Canada.

E-5 Kanwar, J.S. and M.S. Mudahar. 1985. “Fertilizer Sulfur and Food Production: Research and Policy Implications for Tropical Countries,” Fertiliser News, 30(11):37-54.

E-6 Hammond, L.L. and R.B. Diamond. 1984. “Prediction of Sulfur Requirements and Crop Response to Sulfur-Containing Fertilizers,” IN Proceedings of the International Symposium on Soil Test Crop Response Correlation Studies, pp. 553-557, International Society of Soil Science Inter-Congress, Dhaka, Bangladesh.

E-7 Palmer, B., M. McCaskill, D. Friesen, and L.L. Hammond. 1983. “Sulfur-Containing Fertilizers–Past, Present, and Future,” IN Sulfur in Southeast Asian and South Pacific Agriculture, pp. 301-314, G.J. Blair and A.R. Till (Eds.), Proceedings of a Seminar in the Research for Development Series, Ciawi, Indonesia.

E-8 Chien, S.H., D.T. Hellums and J. Henao. 1987. “Greenhouse Evaluation of Elemental Sulfur for Flooded Rice,” Soil Science Society of America Journal, 51:120-123.

E-9 Chien, S.H., D.K. Friesen and B.W. Hamilton. 1988. “Effect of Application Methodology on Availability of Elemental Sulfur in Cropping

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Sequences,” Soil Science Society of America Journal, 52:165-169.

E-10 Friesen, D.K. and S.H. Chien. 1986. “Sulfur Fertilizers and Their Application: General Review and S Source Evaluation at IFDC,” IN Sulfur in Agricultural Soils, pp. 407-434, Proceedings of International Symposium, The Sulphur Institute and the Bangladesh Agricultural Research Council, Dhaka, Bangladesh.

E-11 Katyal, J.C., D.K. Friesen and P.L.G. Vlek. 1988. “Deficiencies of Micronutrients and Sulfur in Wheat,” IN Wheat Production Constraints in Tropical Environments, pp. 99–129, Proceedings of an International Conference, Chiang Mai, Thailand.

E-12 Friesen, D.K. 1988. “Sulphur Fertilizer Research at IFDC,” Sulphur in Agriculture, 12:14-18.

E-13 Friesen, D.K. 1990. “Fate and Efficiency of Sulfur Fertilizers Applied to Food Crops in West Africa,” Fertilizer Research, 29:35-44.

E-14 Boswell, C.C. and D.K. Friesen. 1993. “Elemental Sulfur Fertilizers and Their Use on Crops and Pastures,” Fertilizer Research, 35:127-149.

E-15 Friesen, D.K. 1996. “Influence of Co-Granulated Nutrients and Granule Size on Plant Responses to Elemental Sulfur in Compound Fertilizers,” Nutrient Cycling in Agroecosystems, 46:81-90.

Publications and Papers Available Outside IFDC

The following were authored or coauthored by IFDC staff members.

Allgood, J.H. 2011. “Agro-Dealer Development in Developing and Emerging Markets,” IN Agricultural Innovation Systems, the World Bank, Washington, D.C.

Ariga, J. 2011. “Encouraging Private Investment in Agricultural Research: Myth or Necessity for Developing Countries,” published on CTA website, http://knowledge.cta.int.

Ariga, J. and T. Jayne. 2011. “Agriculture in Kenya: Increasing Fertilizer Use by Smallholder Farmers,” IN Yes Africa Can: Success Stories from a Dynamic Continent, The World Bank, Washington, D.C.

Baanante, C.A. and J. Henao. 1992. “Una Metodología para la Evaluación Agronómica y Económica del Uso de

Fertilizantes Fosfatados en Rotaciones de Cultivos,” IN Revista INIA de Investigaciones Agronomicas, No. 1, Tomo II, pp. 275-288, A. Moron and W.E. Baethgen (Eds.), Instituto Nacional de Investigación Agropecuaria, Andes 1365 P.12, Montevideo, Uruguay.

Baethgen, W.E. 1992. “Dinámica del Nitrógeno en Sistemas de Rotación Cultivos-Pastura,” IN Revista INIA de Investigaciones Agronomicas, No. 1, Tomo I, pp. 3–26, A. Moron and W.E. Baethgen (Eds.), Instituto Nacional de Investigación Agropecuaria, Andes 1365 P.12, Montevideo, Uruguay.

Baethgen, W.E. 1992. Fertilizacion Nitrogenada de Cebada Cervecera, Serie Técnica No. 24, Julio, Instituto Nacional de Investigación Agropecuaria (INIA). This publication may be obtained from INIA La Estanzuela, C.Correo 39173, Colonia, Uruguay.

Bumb, B.L. and C.A. Baanante. 1996. The Role of Fertilizer in Sustaining Food Security and Protecting the Environment to 2020, Food, Agriculture, and the Environment Discussion Paper 17, International Food Policy Research Institute,1200 Seventeenth Street, N.W., Washington, D.C. 2003–2006, U.S.A. (OUT OF PRINT).

Bumb, B.L., P. Fuentes and M. Johnson. 2011. “Policy Options for Improving Regional Fertilizer Markets in West Africa,” published by IFPRI as IFPRI Discussion Paper 01084.

De Boef, Walter S., Latha Nagarajan and Carl Pray. 2016. EGS Synthesis Summary, "Promoting Commercial and Sustainable Supply of Early Generation Seed of Food Crops in sub-Saharan Africa." Synthesis of joint activities implemented by the Bill & Melinda Gates Foundation, US Agency for International Development (USAID) and Alliance for a Green Revolution in Africa (AGRA). https://agrilinks.org/sites/default/files/resource/files/EGS%20synthesis%20summary%2012122016%20vF.pdf

Dimkpa, Christian O., Prem S. Bindraban, Job Fugice, Sampson Agyin-Birikorang, Upendra Singh, and Deborah Hellums. (2017). "Composite micronutrient nanoparticles and salts decrease drought stress in soybean," Agron. Sustain. Dev., 37:5, 13 pages.

DOI 10.1007/s13593-016-0412-8.

Dimkpa, C., Bindraban, P., McLean, J., Gatere, L., Singh, U. and Hellums, D. 2017. "Applications for Rapid Testing of Plant and Soil Nutrients," IN Sustainable Agriculture Reviews, Vol. 25, Chapter 1. Series Ed.: Lichtfouse, Eric.

Fofana, B. 2011. “Promoting Sustainable Crop-Livestock Integration through Farmer’s Participation and Integrated Soil Fertility Management in the Sahel of West Africa,” Joann K. Whale (Ed.).

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Gregory, D.I. and B.L. Bumb. 2006. Factors Affecting Supply of Fertilizer in Sub-Saharan Africa, Agriculture and Rural Development Discussion Paper 24, World Bank, Washington, D.C. (also available from IFDC).

Gregory, D.I., R.J. Buresh, S.M. Haefele and U. Singh. 2011. “Fertilizer Use Markets and Management,” IN Rice in the Global Economy: Strategic Research and Policy Issues for Food Security, pp. 231-263, S. Pandey, D. Byerlee, D. Dawe, A. Dobermann, S. Mohanty, S. Rozelle and B. Hardy (Eds.), International Rice Research Institute, Manila, Philippines.

Jones, J.W., J. He, K.J. Boote, P. Wilkens, C.H. Porter and Z. Hu. 2011. “Estimating DSSAT Cropping System Cultivar-Specific Parameters Using Bayesian Techniques,” IN Methods of Introducing System Models into Agricultural Research, pp. 365-393, ASA, CSSA, SSSA, Madison, Wisconsin, U.S.A.

Lele, Uma and B.L. Bumb. 1994. The Evolving Role of the World Bank—The Food Crisis in South Asia, The Case of India. This publication may be obtained from The World Bank, 1818 H Street, N.W., Washington, D.C. 20433, U.S.A. (OUT OF PRINT).

Malik, R.S., R. Kumar, D.S. Dabas, A.S. Dhindwal, S. Singh, U. Singh, D. Singh, J. Mal, A.S. Khatri and J.J.E. Bessembinder. 2003. “3. Measurement Program and Description Data Base.” In: van Dam, J.C. and R.S. Malik (Eds.). Water Productivity of Irrigated Crops in Sirsa District, India: Integration of Remote Sensing, Crop and Soil Models and Geographical Information Systems (pp. 29-39). Wageningen UR, WaterWatch, Chaudhary Charan Singh Haryana Agricultural University and International Water Management Institute.

Nagarajan, Latha, Anwar Naseem and Carl Pray. 2016. "The Political Economy of Genetically Modified Maize in Kenya," AgBioForum, 19(2):198-214.

Pray, Carl; Byerlee, Derek; and Nagarajan, Latha. 2016. “Private-Sector Investment in African Agricultural Research,” In Agricultural Research in Africa: Investing in Future Harvests. Lynam, John; Beintema, Nienke M.; Roseboom, Johannes; and Badiane, Ousmane (Eds.). Chapter 7. Pp. 171-200. Washington, D.C.: International Food Policy Research Institute (IFPRI). http://dx.doi.org/10.2499/9780896292123_07

Roy, A.H. et al. 2011. “Soil Health,” IN Save and Grow, Chapter 3, Food and Agriculture Organization of the United Nations, Rome, Italy.

Singh, U., D.I. Gregory, S.M. Haefele and R.J. Buresh. 2011. “Fertilizer Use, Markets, and Management,” IN Rice in the Global Economy: Strategic Research and Policy Issues for Food Security, Chapter 2.3. This book is published by the International Rice Research Institute (IRRI).

Thornton, P.K., C.A. Baanante and U. Singh. 1992. “Uso de Modelos de Simulación en la Evaluación de Sistemas Productivos Sustentables,” IN Revista INIA de Investigaciones Agronomicas, No. 1, Tomo II, pp. 289-297, A. Moron and W.E. Baethgen (Eds.), Instituto Nacional de Investigación Agropecuaria, Andes 1365 P.12, Montevideo, Uruguay.

Van Kauwenbergh, S.J., J.B. Cathcart and G.H. McClellan. 1990. Mineralogy and Alteration of the Phosphate Deposits of Florida, U.S. Geological Survey Bulletin 1914.This publication may be obtained from the U.S. Geological Survey, Books and Open-File Reports, Federal Center, Box 25425, Denver, CO 80225, U.S.A.

Yarime, M., C. Carliell-Marquet, D.T. Hellums, Y. Kalmykova, D.J. Lang, Q.B. Le, D. Malley, L.S. Morf, K. Matsubae, M. Matsuo, H. Ohtake, A. Omlin, S. Petzet, R.W. Scholz, H. Shiroyama, A.E. Ulrich and P. Watts. 2014. “Dissipation and Recycling: What Losses, What Dissipation Impacts, and What Recycling Options?” In: Scholz, R.W., A.H. Roy, F.S. Brand, D.T. Hellums and A.E. Ulrich (Eds.). Sustainable Phosphorus Management: A Global Transdisciplinary Roadmap (pp. 247-274). Dordrecht-Heidelberg: Springer. DOI: 10:1007/978-94-007-7250-2_6.

Scholz, R.W., A.H. Roy, and D.T. Hellums. 2014. “Sustainable Phosphorus Management: A Transdisciplinary Challenge.” In: Scholz, R.W., A.H. Roy, F.S. Brand, D.T. Hellums and A.E. Ulrich (Eds.). Sustainable Phosphorus Management: A Global Transdisciplinary Roadmap (pp. 1-128). Dordrecht-Heidelberg: Springer. DOI: 10:1007/978-94-007-7250-2_1.

General Publications IFDC – G-1 October 2017 IFDC P.O. Box 2040 Muscle Shoals, Alabama 35662 (U.S.A.)