Contact: Ken Moore
Iowa State University
Caption: The research plot on the Iowa State University Agronomy Farm shows how different combinations of cover crop and corn net different results. Early research has shown that with some combinations, almost all crop stover can be removed for biofuels while yields remain high and soil improves.
Credit: ISU photo by Dan Kuester
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Related news release: Saving the soil and maintaining corn yields: ISU early research says yes to both