The Beef Podcast Show Dr. Marta Kohmann: Cover Crops and Soil Health | Ep. 172
In this episode of The Beef Podcast Show, Dr. Marta Kohmann, Assistant Professor of Forage Systems Agroecology at the University of Wisconsin-Madison, explains how cover crops and alfalfa management influence soil health, nutrient cycling, and forage productivity. She discusses nitrogen fixation, cereal rye allelopathy, nutrient removal in harvested systems, and equipment impacts on soil compaction. Learn how to match crops to cattle needs and improve system resilience. Listen now on all major platforms!
“Cover crops provide multiple benefits, including nutrient cycling, soil protection, and weed suppression, making them a valuable tool in grain and forage systems across diverse environments.”
Meet the guest: Dr. Marta Kohmann is an Assistant Professor and Extension Specialist in Forage Systems Agroecology at the University of Wisconsin Madison. She earned her PhD in Agronomy from the University of Florida and focuses on perennial pastures, alfalfa, and cover crops managed for persistence and production. Her work integrates soil health, nutrient management, and forage systems for beef and dairy operations.
Click here to read the full research article!
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What you will learn:
- (00:00) Highlight
- (01:49) Introduction
- (07:19) Cover crop benefits
- (12:10) Nitrogen fixation explained
- (19:00) Rye allelopathy research
- (33:24) Nutrient removal findings
- (39:13) Soil compaction impact
- (43:29) Final Questions
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