May 29, 2008 Agronomy

Prepare for Weeds in Corn

Successful preemergence corn herbicide programs require two key components.

First, the programs need dry weather (with limited wind) in order to have the preemergence herbicides applied. Second, the programs generally need 0.5 to 1 inch of rainfall to activate the herbicide after the application, which moves the herbicide from the soil surface into the zone where weeds are germinating.

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