Michael Castellano, assistant professor, Iowa State University, explains how greenhouse gases (GHGs) are measured in agricultural systems, what agricultural GHGs are significant and why, and strategies to reduce them.




This resource is part of the USDA-NIFA funded project for climate and agriculture that gathered data from 35 field sites and thousands of farmers in 9 Midwestern states, with the goal of creating a suite of practices for corn-based systems.