Much of Iowa is experiencing excessively wet conditions this spring. With the continued large rainfalls and flooding conditions, nitrogen (N) loss is an issue. While the wet period early this spring had an influence on N in the soil, excessively wet conditions now are especially critical for N losses due to warm soils and considerable conversion of applied fertilizer and manure N to nitrate.
Iowa State University
Sawyer, John E., "Nitrogen Loss – How Does it Happen?" (2008). Integrated Crop Management News. 887.
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