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UMN Extension Nutrient Management PodcastWelcome to University of Minnesota Extension's Nutrient Management Podcast. Author: University of Minnesota Extension
Welcome to University of Minnesota Extension's Nutrient Management Podcast. Each month we bring you the latest research in nutrient management for crops and how you can incorporate the latest tips and best management practices to your farm. Language: en Genres: Natural Sciences, Science Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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Reducing N loss to water with land management principles & the 4Rs
Episode 19
Wednesday, 9 September, 2026
How do soil health practices—such as minimizing disturbance, maintaining ground cover, and promoting biological activity—interact with the 4Rs of nitrogen management to reduce runoff and nitrate leaching into water sources? How does nitrogen release (mineralize) or become tied up (immobilize) in residue depending on soil moisture, temperature, and microbial activity? Are biological soil tests (like the Haney test and Solvita CO₂ burst) precise tools for calculating exact fertilizer rates, or should they be considered general risk indexes? What role do strong soil structure and expansive root systems play in maximizing nitrogen uptake? Brad Carlson, Anna Cates and Dan Kaiser discuss this and much more on the 41st episode of the Advancing Nitrogen Smart podcast. Guests:Brad Carlson, Extension educator (Mankato)Dan Kaiser, Extension nutrient management specialist (St. Paul)Anna Cates, state soil health specialist (St. Paul)Additional resources:Soil health and water quality: How are they connected?The connection between soil organic matter and soil waterThe state of Minnesota's soil health: How many farmers are doing no-till, cover crops, and moreNitrogen SmartMinnesota Office for Soil Health - MOSH---For the latest nutrient management information, subscribe to the Nutrient Management Podcast. And don't forget to subscribe to the Minnesota Crop News daily or weekly email newsletter, subscribe to our YouTube channel, like UMN Extension Nutrient Management on Facebook, follow us on X (formerly twitter), and visit our website.If you have questions or comments, please email us at nutmgmt@umn.edu.Advancing Nitrogen Smart is proud to be supported by the farm families of Minnesota and their corn check-off investment through Minnesota Corn.
