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.
[1] May 1 through July 9, 2006 Accumulated Base: 50 °F Degree Days
This article originally appeared on page 204 of the IC-496(19) -- July 10, 2006 issue.