Karen Corrigan, an independent agronomist and co-owner of McGillicuddy-Corrigan Agronomics, shares insight on weeds and their impact on crop yields. As an ILSoyAdvisor Soy Envoy and Certified Crop Advisor with a master’s degree in agronomy-weed science from the University of Wisconsin-Madison, Corrigan digs into effective control strategies, touching on tactics such as cover crops, narrow row spacing, and herbicides. By understanding weed lifecycles and environmental conditions, farmers can use this knowledge as a tool for better weed control, ensuring optimum results through reading and adhering to herbicide labels.
About the Author: Karen Corrigan
Karen Corrigan, an independent agronomist and co-owner of McGillicuddy Corrigan Agronomics, offers specialized agronomic consulting services to farmers in the upper Midwest. With a focus on improving production practices, Karen excels in weed science and fundamental agronomy. A Certified Crop Adviser in both Illinois and Iowa, she holds a master’s degree in agronomy-weed science from the University of Wisconsin-Madison. Karen is the incoming chair for the Illinois CCA Board, showcasing her leadership in the field. As an instructor at Heartland Community College, she teaches classes on agronomy, soils, horticulture, and pest management. In collaboration with friends Kelsey Litchfield and Jen
Campbell, Karen hosts the monthly podcast, Girls Talk Ag. Karen is a Tazwell County Master Gardener and volunteers by giving seminars to patrons and by helping to stock their free seed libraries. She is a member of the McLean County Farm Bureau and serves as the Community Outreach Chair. Karen is the leader of the McLean County STEAM Team 4H club. Karen is also a mom of two elementary aged girls, two doodles, and a tiny rescue dog.
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