EPISODE · Jan 6, 2026 · 56 MIN
S4E11: Managing Nitrogen with Soil Organic Matter and Your Microbial Herd
from Agronomy Highlights · host Penn State Extension
Recorded: 12/18/2025 Nitrogen may be one of the most mysterious nutrients that we deal with in agriculture. The dynamic elements of the nitrogen cycle make nitrogen quite a fickle nutrient in our systems. In this episode, we are joined by Dr. Richard Mulvaney of the University of Illinois to discuss how Soil Organic Matter and Microbial activity drive N availability to our crops. We also discuss the question, are we applying too much chemical N? Hosts: Ryan Spelman and Dwane MillerGuest(s): Dr. Richard MulvaneyLinks:Soil Organic Matter and Cover Crop-based Nitrogen Recommendations for CornSign up for our newsletter, Field Crop News, and follow us on Facebook!
What this episode covers
Recorded: 12/18/2025 Nitrogen may be one of the most mysterious nutrients that we deal with in agriculture. The dynamic elements of the nitrogen cycle make nitrogen quite a fickle nutrient in our systems. In this episode, we are joined by Dr. Richard Mulvaney of the University of Illinois to discuss how Soil Organic Matter and Microbial activity drive N availability to our crops. We also discuss the question, are we applying too much chemical N? Hosts: Ryan Spelman and Dwane Mille...
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S4E11: Managing Nitrogen with Soil Organic Matter and Your Microbial Herd
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