The first week of July was slightly cooler than normal statewide, and again, unfortunately, drier than normal. Corn is starting to tassel across Iowa, and moisture stress is a growing concern. Fortunately, crop breeding has provided us with varieties with improved drought tolerance; however, that only works to a point. Monitoring for pests is important, and grasshoppers and spider mites are two key insects to watch for.
Iowa State University
Pope, Richard O., "July picks up where June left off" (2006). Integrated Crop Management News. 1314.
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