Geographic Restrictions for Corn and Soybean PRE-emergence Herbicides in Wisconsin

Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist)

RE-emergence herbicides are the foundation for good weed control in corn and soybeans, particularly with the spread of herbicide-resistant weeds. The use of some PRE-emergence herbicides is limited to certain regions or counties in Wisconsin. Prior to selecting a herbicide for your weed management program, make sure the same is approved for use in your region by the Department of Agriculture, Trade and Consumer Protection (DATCP). Below are examples of herbicides that have geographic restrictions in Wisconsin.

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