[Illustration]Source: The Soil, Vol. 1, No. 2 (Jan., 1917)Published by:Stable URL: http://www.jstor.org/stable/20542262 .

Accessed: 16/05/2014 12:46

Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at .http://www.jstor.org/page/info/about/policies/terms.jsp

.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact support@jstor.org.

.

http://www.jstor.org

This content downloaded from 195.78.108.144 on Fri, 16 May 2014 12:46:37 PMAll use subject to JSTOR Terms and Conditions

3

This content downloaded from 195.78.108.144 on Fri, 16 May 2014 12:46:37 PMAll use subject to JSTOR Terms and Conditions