Iowa state agronomy handbook
IOWA STATE AGRONOMY HANDBOOK >> READ ONLINE
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Agronomy is focused on new and improved ways of agriculture. New methods of conservation. Improved soil health. New approaches to bioenergy. This is a link to Ch. 3 of the Illinois Agronomy Handbook that discusses soybean management and (Iowa State Univ.) U.S. Soybean Diagnostic Guide
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