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UMN Extension Nutrient Management Podcast: Daily Summaries Delivered
by 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.
Latest Episodes
The most recent episodes — sign up to get AI-powered summaries of each one.
- 3 weeks ago29 min
Fall manure outlook: Updated application rates and best practices
It's early / mid October in Minnesota, which means it's time for the fall manure outlook on the Nutrient Management Podcast. Minnesota's manure application rate guidelines have been updated for corn-corn and corn-soybean rotations. What are some of the results of theses changes? What was the reason to update the guidelines? What weather conditions might we experience with the predicted 2026 Super El-Nino. Knowing theses, are there changes that farmers should make to their best fall practices? ManureDB (the online manure nutrient database) recently had a large data set added to it. What does the new data look like for the end user? Are micronutrients included in manureDB's data? In the world on-farm research, what’s currently happening and how can farmers get involved? Important upcoming events for manure technicians, and farmer questions round out today's episode of the Nutrient Management Podcast.Guests:Nancy Bohl Bormann, manure nutrient management researcher (St. Paul)Chryseis Modderman, Extension manure nutrient management specialist (Morris)Stephen Gregg, on-farm research manager and outreach specialist (St. Paul)Additional Resources:Manure rate recommendation update: What's new and important considerationsWhat's manure worth? (calculator)Calculating manure application ratesOnline Commercial Animal Waste Technician (CAWT) Recertification WorkshopIntroducing ManureDB: A new way to view manure variability and trendsHow to put together a manure management planMDA Drought MonitorContact Nancy Bohl Bormann, Chryseis Modderman and Stephen Gregg: manure.umn.edu—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.Support for the Nutrient Management Podcast is provided by Minnesota's fertilizer tonnage fee through the Agricultural Fertilizer Research & Education Council (AFREC). Learn more at MNsoilfertility.com.
- Oct 6, 202627 min
Complexity in manure nutrient availability: Nitrogen, species & bedding
Manure nutrient management is uniquely complex, and we discuss some reasons why on today's Advancing Nitrogen Smart episode. What specific factors make manure management far more complex than applying standard chemical fertilizer? How do digestive systems and diets cause nitrogen availability to differ across various livestock species? Why does nitrogen availability decline so rapidly when manure is left exposed on the soil surface, and how much may be lost to atmospheric evaporation within a just few days? How can farmers optimize their fertilizer investments and evaluate whether their crops received sufficient nitrogen using late-season testing? These questions and more on today's 42nd episode of Advancing Nitrogen Smart.Guests:Brad Carlson, Extension educator (Mankato)Melissa Wilson, Extension manure nutrient management specialist (St. Paul)Additional resources:How to put together a manure management planNitrogen availability of different manure types: What we know and what we are researchingManure use benefits and barriers: Insights from a survey of farmers and advisorsIntroducing ManureDB: A new way to view manure variability and trendsTips for fall manure application and how to avoid nutrient loss---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.
- Sep 30, 202630 min
Managing dry edible beans: Insights from four Midwest experts
Dry edible beans are an important Minnesota crop, and we explore them further on today's Nutrient Management Podcast. We talk with four experts from around the Midwest about your dry bean questions: What are some similarities and differences managing for dry edible bean versus soybean, for example? What should farmers keep in mind about growing in the Red River Valley, or Southern Minnesota, or elsewhere in the Midwest? What does recent research indicate pertaining to dry bean? What major yield-limiting factors do farmers need to be aware of when growing dry edible bean? All of this and much more on today's episode of Nutrient Management Podcast.Guests:Kristin Simons, research agronomist, North Dakota State UniversityAna Carcedo, broadleaf agronomist, North Dakota State UniversityBijesh Maharjan, Extension specialist, University of Nebraska-LincolnDaniel Kaiser, Extension nutrient management specialist (St. Paul)Additional Resources:Taking another look at nitrogen requirements for dry bean production in MinnesotaFertilizing dried edible beans in MinnesotaFertilizing pinto, navy, and other dry edible beanBlack and navy bean row spacingPinto bean row spacingMN CropCast: Dry bean acreage increasing as alternative crop—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.
- Sep 9, 202636 min
Reducing N loss to water with land management principles & the 4Rs
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.
- Aug 20, 202636 min
2026 Fall fertilizer outlook: Crop results, current input prices & future options
August is in full swing, which means it's time for the Fall Fertilizer Outlook on the Nutrient Management Podcast. Our panelists recently returned from Minnesota's annual Farm Fest where they heard directly from farmers. How did crops do during the 2026 field season? What are current fertilizer prices, and are there alternative options that farmers might want to consider? What kind of planning tools might be useful for MN growers as we head into fall? Which fertilizer decisions might be postponed until spring? All of this plus more on the Nutrient Management Podcast.Guests:Brad Carlson, Extension educator (Mankato)Daniel Kaiser, Extension nutrient management specialist (St. Paul)Jeff Vetsch, Lead researcher, Southern Research and Outreach Center (Waseca)Additional Resources:Corn Nitrogen Rate CalculatorU of M Corn Fertilizer GuidelinesWhy understanding the “price ratio” is key to picking a profitable nitrogen fertilizer rate for corn (2025 blog post)Updated corn nitrogen rates: What are we currently seeing for N fertilizer requirements in Minnesota? (2025 blog post)Making sense of Minnesota’s corn fertilizer guidelines: Frequently asked questions and answers (2023 blog post)---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.Support for the Nutrient Management Podcast is provided by Minnesota's fertilizer tonnage fee through the Agricultural Fertilizer Research & Education Council (AFREC). Learn more at MNsoilfertility.com.
- Aug 13, 202625 min
"A multivitamin for your soil": Some of the benefits (& challenges) of manure use
The benefits and challenges of manure use in general is the topic on this 40th episode of the Advancing Nitrogen Smart podcast series. What is it about manure that makes it good for the soil - and what makes livestock bedding an important addition? What's in manure that's organic but isn't living? What makes the benefits of manure usage long-term in nature? How should people think about manure use related to water quality issues? What kinds of tech might farmers want to be on the lookout for which affect manure use efficiency? According to panelist Melissa Wilson, manure is like a multivitamin for the soil. Find out why she thinks so on today show.Guests:Brad Carlson, Extension educator (Mankato)Melissa Wilson, Extension manure nutrient management specialist (St. Paul)Additional Resources:Manure managementHow to put together a manure management planNitrogen availability of different manure types: What we know, and what we are researchingManure use benefits and barriers: Insights from a survey of farmers and advisorsTips for fall manure application and how to avoid nutrient loss---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.
- Jul 30, 202638 min
Manure under a microscope: What variables affect nutrient value? (hint: they all do)
Today on Advancing Nitrogen Smart we ask an unusual question: What is manure, really? We all know manure is made of the liquids and solids that pass through an animal's digestive system, but what has to happen for manure to become usable? Is all manure created equal, or do differences in animal type - and their feed - result in manure with variable nutrient values? How do factors like handling, storage and animal bedding impact available nutrients in manure? What are some of the long-term benefits of manure application? Is there an optimal time of year to apply manure? Brad Carlson and Melissa Wilson answer these questions and many more on this 39th episode of the Advancing Nitrogen Smart podcast.Guests:Brad Carlson, Extension educator (Mankato)Melissa Wilson, Extension manure nutrient management specialist (St. Paul)Additional Resources:How to put together a manure management planNitrogen availability of different manure types: What we know and what we are researchingManure use benefits and barriers: Insights from a survey of farmers and advisorsIntroducing ManureDB: A new way to view manure variability and trendsGuidelines for manure application rates---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.
- Jul 15, 202622 min
Heavy June rain & nutrient management: 3 Minnesota experts weigh in
University of Minnesota Extension’s two-day field School for Ag Professionals is coming up July 29 and July 30, 2026. If you’re an agronomist, a retailer, dealer or consultant, if you’re a summer field scout - we encourage you to attend these small-group, hands-on sessions led in the field by experienced instructors. 12 Certified Crop Advisor CEUs credits are available! For all the details, including info on lodging, visit z.umn.edu/AgFieldSchool2026We're examining the effect of recent heavy rainfall on input decision-making in today's Nutrient Management Podcast. What adverse or severe weather conditions did parts of Minnesota recently experience? How does it compare to past events? It's currently mid-July; what did the Minnesota Drought Monitor say about our drought levels before the rainfall? Was the soil profile able to accept more water as a result? What effect did the heavy rain have on nutrients in the field? At this point in the season, are corn crops past the risk of damage? What effect do soil types have on both the amount of N recommended, and the speed at which the N can potentially leave the field? All this and more on today's episode.Guests:Brad Carlson, Extension educator (Mankato)Daniel Kaiser, Extension nutrient management specialist (St. Paul)Jeff Vetsch, U of M researcher (Waseca)Additional Resources:Minnesota Drought MonitorField Notes talks about what to expect after heavy June rains (recorded 2025)Did applying supplemental nitrogen fertilizer to corn in south-central Minnesota pay?Why understanding the nitrogen cycle is key to managing soil fertilityFertilizing corn in Minnesota—Listen to all Nutrient Management Podcast episodes.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.Support for the Nutrient Management Podcast is provided by Minnesota's fertilizer tonnage fee through the Agricultural Fertilizer Research & Education Council (AFREC). Learn more at MNsoilfertility.com.
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About UMN Extension Nutrient Management Podcast
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.
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