HomePublicationsCrops & SoilsIssuesCrops & Soils: Volume 58, Issue 10The nitrogen value of cover cropsListen to the latest podcast episode September 30, 2025 The Nitrogen Value of Cover Crops with Dr. Guillermo Marcillo | Field, Lab, Earth Podcast #133 Cover crops are known for their ability to provide economic and ecosystem services to farmers, including, for example, impacting soil nitrogen. But how much nitrogen, exactly, can cover crops add or remove and how do we find out? In this episode of the Field, Lab, Earth podcast, Dr. Guillermo Marcillo discusses his work collating research data to get to the bottom of cover crop nitrogen replacement values.Dig deeperThis episode is based on the Agricultural & Environmental Letters article, “The nitrogen value of cover crops: How much N can cover crops replace?”: https://doi.org/10.1002/ael2.70006.Check out the episode show notes.Earn CEU credit here.View episode transcripts.Contact us. More podcasts Back to current issue Back to home Text © . The authors. CC BY-NC-ND 4.0. Except where otherwise noted, images are subject to copyright. Any reuse without express permission from the copyright owner is prohibited.Share this: Related articles Grazing cornstalks and cover crops: What advisers need to know October 14, 2026 Global agronomy special session set for CANVAS 2026 October 13, 2026 Updating how stable carbon is estimated in models October 13, 2026 Recent articles Grazing cornstalks and cover crops: What advisers need to know October 14, 2026 Fast, portable, or precise? Choosing the right grain protein estimation tool October 12, 2026 October webinars: A biostimulant approach to yield—and more October 5, 2026