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Irrigation practices in MN: Benefits and risks, partnerships & the importance of nutrient management
Jun 18, 2026
26m 33s
Sidedressing nitrogen: The rationale, past research & potential risks in split-applying
Jun 2, 2026
29m 36s
Sugarbeet nutrient management: Best practices, guidelines & new research for MN growers
May 21, 2026
25m 41s
Nitrates & placement: Factors for reducing nitrogen loss to water
May 6, 2026
34m 37s
The pre-sidedress nitrate test (PSNT): Sampling, standards & values to know
Apr 22, 2026
38m 05s
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 6/18/26 |  Irrigation practices in MN: Benefits and risks, partnerships & the importance of nutrient management | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026Irrigation is the topic of discussion of today's episode of the Nutrient Management Podcast. What are current irrigation conditions in Minnesota? How is the aquifer in the Central Sands region recharged, and why is it so important to manage nutrients efficiently when irrigating? What new irrigation and nutrient management research is being conducted by the University of Minnesota? What are some of the benefits and risks associated with irrigation - and what practices might a farmer want to focus on first? What partnerships and financial resources are available for Minnesota farmers interested in adopting irrigation practices? Are there smaller practices that a grower new to irrigation might want to consider? What have farmers reported back to our panelists after having adopted irrigation practices? What are irrigation practices like throughout the rest of the country, and how does Minnesota differ? All this and more on today's show.GuestsVasu Sharma, Extension irrigation specialist, Dept. of Soil, Water, and Climate (St. Paul)Carl Rosen, Extension nutrient management specialist (St. Paul)Tim Gieseke, Extension educator, Ag Water Management (Mankato)Additional ResourcesRegional Conservation Partnership Program (RCPP)National Resources Conservation Service - MinnesotaMinnesota Soil and Water Conservation DistrictsResearch shows precision irrigation technology can improve irrigation water productivity in cornIrrigation ManagementNutrient management for irrigated crops in MN: Corn, potatoes, & edible beans---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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 26m 33s | ||||||
| 6/2/26 |  Sidedressing nitrogen: The rationale, past research & potential risks in split-applying✨ | sidedressingnitrogen management+4 | Brad CarlsonDan Kaiser | University of Minnesota Extension | — | sidedressingnitrogen loss+5 | — | 29m 36s | |
| 5/21/26 |  Sugarbeet nutrient management: Best practices, guidelines & new research for MN growers✨ | sugarbeet nutrient managementfertilizer guidelines+4 | Daniel KaiserMelissa Wilson+1 | University of Minnesota | Minnesota | sugarbeetsnutrient management+4 | — | 25m 41s | |
| 5/6/26 |  Nitrates & placement: Factors for reducing nitrogen loss to water✨ | nitrate managementnitrogen loss+3 | Brad CarlsonDan Kaiser | University of Minnesota Extension | Minnesota | nitratesnitrogen management+3 | — | 34m 37s | |
| 4/22/26 |  The pre-sidedress nitrate test (PSNT): Sampling, standards & values to know✨ | pre-sidedress nitrate testnitrogen technology+3 | Brad CarlsonJeff Vetsch | University of Minnesota ExtensionSouthern Research and Outreach Center | Minnesota | PSNTnitrogen application+4 | — | 38m 05s | |
| 4/7/26 |  Spring fertilizer outlook: How is price volatility impacting input planning in 2026?✨ | fertilizer outlookprice volatility+4 | Brad CarlsonDaniel Kaiser+2 | University of Minnesota Extension | Minnesota | fertilizer pricesagriculture+4 | — | 34m 14s | |
| 3/26/26 |  Active sensors & variable rate nitrogen: What MN farmers should know✨ | variable rate nitrogenactive sensors+4 | Brad CarlsonJeff Vetsch | Southern Research and Outreach CenterUniversity of Minnesota Extension | MankatoWaseca | active sensorsvariable rate technology+4 | — | 21m 48s | |
| 3/17/26 |  Phosphorus: Rate guidelines, sources & best practices for Minnesota, Midwest farmers✨ | phosphorus managementagriculture+4 | Daniel KaiserJohn Jones+2 | University of Minnesota ExtensionUniversity of Illinois Urbana-Champaign+2 | MinnesotaMidwest+3 | phosphorusnutrient management+5 | — | 39m 36s | |
| 3/9/26 |  Minnesota's Nutrient Reduction Strategy: Practices, progress & solutions✨ | Nutrient Reduction StrategyEnvironmental Progress+4 | Matt Drewitz | Minnesota Pollution Control AgencyUniversity of Minnesota Extension+1 | Mankato, MNSt. Paul | Nutrient ReductionMinnesota+5 | — | 20m 43s | |
| 2/25/26 |  Incorporating conservation practices: County SWCDs, farmer resources & successes✨ | conservation practiceswater management+4 | Mike SchultzBrad Carlson | Le Sueur County SWCDMinnesota Association of Social and Water Conservation Districts+4 | — | conservationSWCD+5 | — | 18m 01s | |
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| 2/23/26 |  Looking ahead to spring manure: ManureDB, research updates & best practices for MN farmers✨ | manure managementagriculture+5 | Melissa WilsonEduardo Garay Lagos+1 | University of MinnesotaManureDB | MinnesotaSt. Paul | manureDBnutrient management+5 | — | 24m 29s | |
| 1/26/26 |  Nitrogen BMPs and nitrate water quality issues in southeast Minnesota: What should growers be thinking about?✨ | nitrateswater quality+4 | Mary NesbergDaniel Kaiser+3 | University of Minnesota ExtensionMinnesota Department of Agriculture | southeast MinnesotaRochester+4 | nitrateswater quality+5 | — | 49m 15s | |
| 1/12/26 |  The 5 main pathways of nitrogen loss: What are they, and how can you increase efficiency?✨ | nitrogen lossagriculture+3 | Brad CarlsonDan Kaiser | University of Minnesota Extension | — | nitrogen lossleaching+5 | — | 42m 48s | |
| 12/11/25 |  All about cover crops: Lower seeding rates, weed control, advice for farmers & more | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026It's December and we're rounding out the year with an in-depth discussion on cover crops here on the Nutrient Management Podcast. What are panelists' observations regarding covers with lower seeding rates? What are some pros and cons relating to erosion or nutrient uptake? Does planting early at a lower seed rate vs. planting later with a higher seed rate result in the same outcome? What are some weed control characteristics of cover crops? What advice do our panelists have for farmers new to cover crops? What kinds of state and local resources are available for growers? All this and lots more on today's show so be sure to tune in.Guests:Anna Cates, Extension soil health specialist (St. Paul)Ryan Beutow, Minnesota NRCS State Agronomist (St. Paul)Eric Yu, Extension educator (Farmington)Additional Resources:UMN Cover Crops row cropsUMN Cover crops in vegetablesCover crop AcademyMN Agronomy Technical Note 33Single species cereal rye cover crop implementation requirementsCover Crop Termination GuidelinesMN NRCS Cover Crop Design ToolMidwest Cover Crop CouncilSARE Managing Cover Crops ProfitablyMN Field Office Technical Guide folder on cover crops--- 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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 23m 23s | ||||||
| 11/24/25 |  Micronutrients: Current research, tissue sampling, toxicity symptoms & more | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026Today on the Nutrient Management Podcast we're turning our attention to micronutrients. What does current research tell us about micronutrients - for corn specifically - that growers need to consider? Boron is another important micronutrient in Minnesota. What should farmers be aware of regarding boron? Is tissue sampling the answer to help predict where some of these micronutrients are needed? What are other important micronutrient takeaways? All this and much more on today's episode. Guests & Contact Info:Jeff Vetsch, U of M researcher (Waseca) - email: jvetsch@umn.eduDaniel Kaiser, Extension nutrient management specialist (St. Paul) - email: dekaiser@umn.eduCarl Rosen, Extension nutrient management specialist (St. Paul) - email: rosen006@umn.eduAdditional Resources:Micro- and secondary macronutrientsUnderstanding plant analysis for cropsZinc for crop productionAre you overspending on fertilizer?Is boron deficiency a problem for crops in Minnesota?---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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 33m 16s | ||||||
| 11/12/25 |  Variable rate zones: Field mapping, soil characteristics, tools & more | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026On today's episode of the Advancing Nitrogen Smart podcast, Brad and Dan talk about variable rate application - and zones in particular. What's the overall point to variable rate N application? How might an initial starting N rate be determined? How do farmers' fields and equipment introduce their own variables, and how can these variables be monitored? How should farmers think about - and plot out - field zones? What's the difference between a yield map and a zone map, and should farmers rely on yield maps for zoning purposes? Do the best yielding spots always need the most nitrogen? All of this and much more on today's show.Guests:Brad Carlson, Extension educator (Mankato)Dan Kaiser, Extension nutrient management specialist (St. Paul)Additional resources:With high nitrogen fertilizer prices and low corn prices, can you decrease your nitrogen rate for 2026? www.cornnratecalc.org (Corn Nitrogen Rate Calculator)Is variable rate nitrogen based on yield maps a good idea?Variable rate nitrogen: What are we trying to accomplish?Brad Carlson's email address: bcarlson@umn.eduDan Kaiser's email address: dekaiser@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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 40m 04s | ||||||
| 10/22/25 |  Updated corn nitrogen rates: Regional differences, profit vs yield, water quality & more | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026This month on the Nutrient Management Podcast, we talk about a recent increase in N rate recommendations for corn. Why have these suggested nitrogen rates for corn increased over time? How are regional differences across Minnesota factored into this increase? Why does the Maximum Return to Nitrogen (MRTN) method of N rate calculation bring economics into the mix? Why should growers focus on profit instead of yield? Won't a higher nitrogen rate make our SE Minnesota water issues worse? Our panelists answer these important questions - and many more - on today's show.Guests:Jeff Vetsch, U of M researcher (Waseca)Daniel Kaiser, Extension nutrient management specialist (St. Paul)Brad Carlson, Extension educator (Mankato)Additional Resources:www.cornnratecalc.org (N Rate Calculator)Updated corn nitrogen rates: What are we currently seeing for N fertilizer requirements in Minnesota?An introduction to MRTN: Efficiencies & economics in mind2025 fall fertilizer outlook: Management tips during economic uncertaintyWith high nitrogen fertilizer prices and low corn prices, can you decrease your nitrogen rate for 2026?---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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 31m 10s | ||||||
| 10/14/25 |  An introduction to MRTN: Efficiencies & economics in mind | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026Brad Carlson and Daniel Kaiser discuss the maximum return to nitrogen method (MRTN) for determining an optimal N rate on today's episode of Advancing Nitrogen Smart Podcast. What is the MRTN and why was it created? What are differences between an N investment model versus a maximum yield model? What should farmers keep in mind while using the MRTN? Where can Minnesota farmers, producers and ag professionals find the MRTN? All this and more on today's show.Guests:Brad Carlson, Extension educator (Mankato)Dan Kaiser, Extension nutrient management specialist (St. Paul)Additional resources:www.cornnratecalc.org (N rate calculator)Are you overspending on fertilizer?Nutrient ManagementUpdated corn nitrogen rates: What are we currently seeing for N fertilizer requirements in Minnesota?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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 28m 30s | ||||||
| 9/25/25 |  Biological soil fertility products for corn and soybeans: How should farmers be thinking about them? | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026Dan Kaiser and Brad Carlson continue their discussion on N-fixing biostimulant products in today's episode of the Advancing Nitrogen Smart Podcast. What's the most up-to-date working definition of a crop biostimulant? On which crops are N-fixing products typically used? What is NCERA103.org, and in what ways it it a useful resource for farmers and other agricultural professionals? What are some of the different categories of nitrogen-fixing biostimulants? How should farmers be thinking about biological soil fertility products in general? All this and more on today's show.Guests:Dan Kaiser, Extension nutrient management specialist (St. Paul)Brad Carlson, Extension educator (Mankato)Additional resources:NCERA103.orgNitrogen-fixing biologicals: What farmers should knowNitrogen-fixing biological products: New report summarizes research from across the corn beltNitrogen-fixing biological products: Four Midwest experts weigh in on industry claims, on-farm research tips, and more---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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 38m 51s | ||||||
| 9/9/25 |  Fall manure application: Plans, resources & strategies for Minnesota farmers | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026On this episode of the Nutrient Management Podcast, we talk all about fall manure application. What should be on a farmer's to-do list to prepare for fall application? What names need to be on an operation's emergency response plan, and what kind of PPE should farmers keep nearby? How much lead time does a lab need to return sample results? If a farmer plans to work with a commercial applicator, what can they do ahead of time to ensure a successful season? All of this, plus a farmer Q&A, on-farm research advice, an update on ManureDB and more on today's show.Guests:Melissa Wilson, Extension manure nutrient management specialist (St. Paul)Chryseis Modderman, Extension manure nutrient management specialist (Morris, MN)Nancy Bohl Bormann, researcher, manure and nutrient management (St. Paul)Eduardo Garay, on-farm research manager, manure management (St. Paul)Additional Resources:How to put together a manure management planUMN Manure (YouTube)ManureDBManure management: Agitation and pumpingFor on-farm research inquiries, contact Eduardo Garay at: garay043@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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 31m 32s | ||||||
| 8/27/25 |  Bioreactors in-depth: Carbon sources, incorporation, maintenance & more | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026Today on the Advancing Nitrogen Smart Podcast we take a close-up look at bioreactors as an edge-of-field practice. How does this important tool work, and how does it help mitigate nitrate loss? What types of carbon sources have traditionally been used in a bioreactor, and what types of carbon could be used in the future? How are bioreactors incorporated in to a farmer's operation, and how are they maintained? How effective and efficient are bioreactors? What's on the horizon for the next generation of bioreactor technology? All this and more on today's episode.Guests:Brad Carlson, Extension educator (Mankato)Jeff Strock, Extension soil scientist (Lamberton)Additional Resources:Nitrogen and phosphorus removal from agricultural drainage water by a modular bioreactorBioreactor research3 takeaways from the Conservation Drainage Network’s annual meetingEdge of field N and P reduction strategies: What to know about conservation drainage practicesNitrogen Smart---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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 31m 16s | ||||||
| 8/19/25 |  2025 Fall fertilizer outlook: Management tips during economic uncertainty | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026It’s that time of year again; time for the Fall Fertilizer Outlook on the Nutrient Management Podcast. Given the overall economics of crop production right now, how should farmers be approaching their fertilizer decisions this fall? What are some regional differences with respect to fertilizer management this year? There has been a renewed focus on the issue of water quality in Minnesota - how should this affect farmers’ decision-making? How many fertilizer decisions can be pushed off until spring? All of this and more on today’s show.Guests:Brad Carlson, Extension educator (Mankato)Lindsay Pease, Extension nutrient and water management specialist (Crookston)Jeff Vetsch, Research supervisor (Waseca)Daniel Kaiser, Extension nutrient management specialist (St. Paul)Additional Resources:Are you overspending on fertilizer?Making sense of Minnesota's corn fertilizer guidelines: Frequently asked questions, and answersNo P, no problem? Skipping phosphorus fertilizer application may make agronomic, economic senseSmart Nitrogen Management webinar (YouTube)—Click here to 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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 35m 20s | ||||||
| 8/13/25 |  Manure laws and regulations in MN: Feedlots, storage, buffers & more | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026On today's Advancing Nitrogen Smart Podcast, Brad Carlson and Melissa Wilson explain aspects of Minnesota laws and regulations that manure applicators should be aware of. What are the requirements for manure testing, and how often should you do it? What are some general restrictions for manure application in Minnesota? How do buffers and setbacks help you? What kinds of documents should be incorporated into a manure management plan? What contingencies should be put into place in the case of an emergency? All this and more on today's show.Guests:Brad Carlson, Extension educator (Mankato)Melissa Wilson, Extension manure nutrient management specialist (St. Paul)Additional resources:Land Application of manure: Minimum requirementsManure managementManure sampling and nutrient analysisManure sampling and testing: Variability, guidelines & safety for your operationManureDBFor 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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 33m 22s | ||||||
| 7/30/25 |  How soil conditions & chemistry affect nitrogen loss | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026Nitrogen loss is the topic today on the Advancing Nitrogen Smart podcast. Soil conditions and chemistry are factors that make nitrogen prone to loss, but how does the N loss process actually happen? What's left over in the field after that process occurs, and where does the lost nitrogen go? What do denitrification, leaching and volatilization mean? How can the 4 Rs (right rate, right source, right placement, right timing) help growers minimize risk? How do nitrification inhibitors, microbes, and soil types fit in to the picture? All that and more in today's conversation.Guests:Brad Carlson, Extension educator (Mankato)Dan Kaiser, Extension nutrient management specialist (St. Paul)Additional resources:Wait, consider your options before applying nitrogen this fallVideo: What to know about nitrogen inhibitors and other enhanced efficiency fertilizersField Notes talks about what to expect after heavy June rainsVideo: Fall vs. spring urea in MinnesotaNitrogen Smart---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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 37m 58s | ||||||
| 7/17/25 |  Variable rate nitrogen: What are we trying to accomplish? | 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. Early bird registration ends July 1, and 12 Certified Crop Advisor CEUs credits are available. For all the details, including info on lodging, visit z.umn.edu/agfieldschool2026On this episode of Advancing Nitrogen Smart, Brad and Dan take some of the mystery out of variable rate N. What are we trying to accomplish when we use a variable rate management practice? What kinds of field conditions might benefit from VRN, and which conditions should be avoided with VRN? How might the other 3 R's (Timing, Source & Placement) play a part in rate decision making? All that and more on today's show. Guests:Brad Carlson, Extension educator (Mankato)Dan Kaiser, Extension nutrient management specialist (St. Paul)Additional resources:Is variable rate nitrogen based on yield maps a good idea?Variable rate nitrogen: What farmers should knowMaking sense of Minnesota’s corn fertilizer guidelines: Frequently asked questions and answersFertilizing corn in MinnesotaNitrogen Smart---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. Remember to register for Ag Field School 2026 at the University of Minnesota: z.umn.edu/agfieldschool2026 | 28m 42s | ||||||
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