A professor of weed physiology emphasizes the importance of scouting as herbicide resistance becomes more of a problem.

Dean Riechers with the University of Illinois tells Brownfield it’s imperative to start watching for weeds early in the growing season.

“And be out in the field at least two to three times per week. It’s very important to know what weed species are present. Do you have waterhemp or Palmer amaranth, or some other kind of pigweed?

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