The third week of June brought warm and humid weather, spiked with local severe thunderstorms and some areas of heavy rain, especially in southeastern Iowa. Uneven stands are quite common, particularly in corn fields planted into less than ideal seedbeds. Some of that unevenness has been corrected by active growth the past week. Subtle variation in soil conditions, especially due to wheel tracks created during spring tillage, is apparent in some areas.
Iowa State University
Pope, Richard O., "Warm temperatures = rapid growth" (2007). Integrated Crop Management News. 1036.
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