The Crop Science Podcast Show - Dr. John Jones: P and K Insights | Ep. 85

In this episode of The Crop Science Podcast Show, Dr. John Jones from the University of Illinois Urbana-Champaign explains how phosphorus and potassium recommendations are developed and why nutrient test methods vary by region. He explores nutrient behavior in soils, calibration approaches, and how agronomists can make better data-driven fertilizer decisions. Learn how to fine-tune your nutrient management strategies and why accurate soil testing matters. Listen now on all major platforms!

What will you learn: 

• Soil testing accuracy
• P and K calibration
• Nutrient interaction effects
• Regional test differences
• Data-driven field decisions

Meet the guest:

Dr. John Jones is an Assistant Professor of Agronomy and Soil Fertility Extension Specialist at the University of Illinois Urbana-Champaign. With extensive research experience in soil fertility, plant nutrition, and nutrient management, he focuses on practical strategies for optimizing phosphorus and potassium recommendations in U.S. crop systems.
Connect with our guest on Social Media: LinkedIn

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