In this episode of Talking Crop, Associate Professor of Soil Science in the Department of Crop Sciences at University of Illinois Urbana-Champaign, Dr. Andrew Margenot, and host, Kathryn Seebruck, discuss the Illinois Centennial Soil Archive Project as well as Dr. Margenot's work to update the phosphorus and potassium recommendations in the Illinois Agronomy Handbook. 

Illinois Centennial Soil Archive Project: https://margenot.cropsciences.illinois.edu/illinois-soil-archive-100-years-of-soil-knowledge/

Google Map of sampling locations: https://www.google.com/maps/d/u/0/viewer?mid=1wHMhpCiBRqYYlIRdnU6ssWlLnOVBqU0&ll=39.79570570622571%2C-89.5045&z=7