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The top documents tagged [patrick heffer]
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patrick heffer
Natural Water Chemistry. Water Quality Parameters Temperature - Dissolved Oxygen (DO) - pH Alkalinity - Hardness Nitrates and Phosphates - Turbidity Conductivity.
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American Society of Agronomy International CCA Program
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Managing Water and fertilizer for Sustainable Agricultural Intensification
263 views
120401114723_proceeding_aconf2012
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