While the USDA estimates only about 10% of U.S. cropland is being managed with cover crops for various soil health and weed suppression reasons, recent research across the Corn Belt shows over-wintering cereal crop covers can significantly reduce weed biomass.

“If you have an endangered species in your state, county or on your farm, the herbicide labels you used in the past will likely be changing,” says a spokesman for the Weed Science Society of America (WSSA).