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Herbicide carryover concerns this spring


Dry conditions in 2023 could lead to increased risk of herbicide carryover in soybeans this spring.

Aaron Hager, weed scientist at the University of Illinois, says herbicide applications made to abnormally dry soil last season could still lead to springtime issues even with near normal winter precipitation…

“If you’re applying a material to a very, very dry soil, you can actually have a lot of adsorption that takes place almost immediately.”  He says, “Those products that are adsorbed, sometimes they will get more strongly adsorbed overtime, which means it can’t take more moisture to actually release those from the soil colloids.

Herbicide carryover concerns this spring