By Scout Nelson
This week’s episode of Minnesota Crop Cast focused on “Getting the most out of pre-emergence herbicides.” The hosts, Seth Naeve and David Nicolai, welcomed weed science experts Dr. Tom Peters and Dr. Debalin Sarangi to share their insights.
Dr. Peters, a sugar beet agronomist, and Dr. Sarangi, an Extension weed scientist, discussed key highlights from a recent University of Minnesota Crop News article. They offered helpful advice on improving early-season weed control through proper use of pre-emergence herbicides.
They explained that multiple soil factors, such as moisture levels, organic matter, soil type, and pH, can affect herbicide performance. Soil conditions also influence how herbicides move through the soil and how long they remain effective.
Timing was a major focus. As the experts emphasized, “These products can be applied before planting, at planting, or right after planting—as long as it’s before the crop emerges.” Proper timing helps ensure maximum weed control without damaging the crops.
The discussion also covered herbicide degradation, rainfall impact, and the different types and modes of action of pre-emergence herbicides. The effectiveness of each herbicide depends on how it interacts with specific soil and weather conditions.
This Crop Cast episode supports Minnesota crop producers by offering science-based tips to get the best results from pre-emergence herbicides, helping to ensure healthier crop growth from the start of the season.
“They emphasized that timing plays a big role in efficacy when it comes to pre-emergence herbicides.”
Minnesota Crop Cast is hosted by Extension educators David Nicolai and Seth Naeve and features expert guests who share their research to help improve crop management across the state.
Photo Credit:gettyimages-fertnig
Categories: Minnesota, Crops, Soybeans, Sugar Beets