The dry conditions in some areas of Iowa in 2017 have raised several soil fertility questions. In some cases, there has been relatively normal crop production and no need for management changes. In other situations with severely damaged crops, there is potential for adjustments for the 2018 corn crop.
Iowa State University
Sawyer, John E. and Mallarino, Antonio, "Nitrogen Considerations with Dry Conditions in 2017" (2017). Integrated Crop Management News. 2477.
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