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.
A field study was conducted to determine the amount of dry cereal rye cover crop biomass needed to suppress giant ragweed density and growth. The study was conducted in 2022 and 2023 at the Rock County Farm near Janesville, Wis.
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.
The National No-Tillage Conference returns January 7-10, 2025!Build and refine your no-till system with dozens of new ideas and connections at the 33rd Annual National No-Tillage Conference in Louisville, Ky. Jan. 7-10, 2025. Experience an energizing 4-day agenda featuring inspiring general session speakers, expert-led No-Till Classrooms and collaborative No-Till Roundtables. Plus, Certified Crop Adviser credits will be offered.
Last week we had boots on the ground at the Big Soil Health Event in Cedar Falls, Iowa where agronomist David Kleinschmidt emphasized the importance of considering Carbon to Nitrogen ratios of cover crops and residues.