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A study of the value of crop rotation in relation to soil productivity

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By: Weir, Wilbert Walter,

Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1926

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: AgSpace crop production Crop rotation crop yield experiment stations Fertilizers Internet resource land management long term experiments research methods Rothamsted Soil management Soil productivity Yields