Drought is causing serious plant stress in Iowa’s corn crop

Extreme high temperatures have been another weather challenge for producers this summer and it is leaving lingering impacts on the corn crop.

An Iowa agronomist is seeing signs of plant stress in corn fields with ears beginning to droop.

This is seen in areas that missed substantial rains last month. It is difficult to estimate the yield impact, but if the ears dropped before the black layer, it may have shut off the crop’s source of sugar to fill kernels.

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