A recent survey shows no change in conventional or no-till systems status in Iowa corn and soybean rotation, in spite of perception or informal reports to the contrary. The survey asked producers about their tillage practices during crop years 1997–1999.
Iowa State University
Al-Kaisi, Mahdi; Hanna, H. Mark; and Tidman, Michael J., "Survey: Iowa no-till holds steady" (2000). Integrated Crop Management News. 2074.
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