Across the state, generally there has not been excessive precipitation and much of Iowa has been below normal the past 60 days. A few areas have received more than normal precipitation, mostly in western to southwestern Iowa, some isolated areas in central to north central Iowa, and very eastern Iowa (see map).
Iowa State University
Sawyer, John E., "Nitrogen Issues So Far This Spring" (2015). Integrated Crop Management News. 334.
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