Herbicide Carryover in Alfalfa

Dr. Mark Renz, UW-Madison, speaks about what to expect in 2024 regarding herbicide carryover. With the drought that occurred in 2023 across the Upper Midwest, there is concern that many herbicides commonly used in corn and soybean to control resistant weeds will not have sufficiently broken down, leading to an increased chance of damage to alfalfa establishment. Some of the major active ingredients that can cause damage, the reason for an increased concern following drought and a strategy to run a bioassay on sampled soils in fields of potential concern were discussed as well as potential mitigation strategies.
To learn more about the Focus on Forage series and explore future and previous webinar topics, visit cropsandsoils.extension.wisc.edu/focus-on-forage.
Live questions and discussion improve the relevancy for WI farms as they make environmentally and economically critical decisions for the 2024 cropping season.
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