Although glyphosate provided superior weed control in the early years, most of the weeds in the dataset showed signs of adaptation to the chemical in just two to three years.
Cover crops have many demonstrated conservation and soil health benefits, yet their use is still limited by perceived financial fears: crop yield reduction or no short-term return. Farmer and independent research agronomist Jim Stute previews his classroom session for the 2022 National Strip-Tillage Conference, in which he will provide a data-driven look at cover crop effects, including crop yield response, weed suppression and nutrient scavenging.
One important benefit of cover crops to our production system is providing an alternative selection pressure on weed populations. Cereal rye has the best potential to suppress weeds because it accumulates more biomass than other cover crop species. Read more in this article from Iowa State University Extension.
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On this episode of Conservation Ag Update, brought to you by Yetter Farm Equipment, we head inside the Pennsylvania No-Till Alliance's 20th anniversary field day in Elizabethown, Pa.
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