About this episode

The episode discusses phosphorus management practices and guidelines for farmers in Minnesota and the Midwest.

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/AgFieldSchool2026 Today on the Nutrient Management Podcast we discuss phosphorus with experts from Minnesota and across the Midwest. Why are Midwest phosphorus guidelines different from state to state? Are Minnesota's current P guidelines satisfactory - or do states' P guidelines need revision? Would a P-rate calculator that incorporates economics be a useful tool, similar to nitrogen's MRTN calculator? What 'Phosphorus & the 4R's' tips and suggestions do our Minnesota, Ohio, Illinois and South Dakota panelists recommend for area farmers? Nitrates and water quality issues continue to be top-of-mind - would switching P sources be beneficial? What new and ongoing phosphorus-related research projects are panelists watching? All this and much more on…

People in this episode

Guests: Daniel Kaiser, John Jones, Jason Clark, Manbir Rakkar

Topics covered

• phosphorus management
• agriculture
• nutrient guidelines
• water quality
• soil fertility
• 4R nutrient stewardship

Keywords

• phosphorus
• nutrient management
• agriculture
• water quality
• 4R's
• soil fertility
• Midwest guidelines

Mentioned in this episode

Organizations: University of Minnesota Extension, University of Illinois Urbana-Champaign, South Dakota State University, The Ohio State University

Places: Minnesota, Midwest, Illinois, South Dakota, Ohio

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• Minnesota's Nutrient Reduction Strategy: Practices, progress & solutions · March 9, 2026 · 21 min
• Incorporating conservation practices: County SWCDs, farmer resources & successes · February 25, 2026 · 18 min
• Looking ahead to spring manure: ManureDB, research updates & best practices for MN farmers · February 23, 2026 · 24 min

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