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Welcome to the web home for Field, Lab, Earth, the podcast from the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America. The podcast all about past and present advances in agronomic, crop, soil, and environmental sciences, our show features timely interviews with our authors about research in these fields. Field, Lab, Earth releases on the third Friday of each month in addition to the occasional bonus episode. If you enjoy our show, please be sure to tell your friends and rate and review. If you have a topic, author, or paper you would like featured or have other feedback, please contact us at podcast@sciencesocieties.org.

Sep 19, 2025

“The Nitrogen Value of Cover Crops” with Dr. Guillermo Marcillo.

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,...