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Soil Nitrogen Cycle (Video)

John Sawyer
John Sawyer, professor, Iowa State University explains the nitrogen cycle with references to nitrogen management in corn-soybean cropping systems and current research issues.




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.

Pages / Length:
Publication Date: 08/2012




Permanent link for this product: https://store.extension.iastate.edu/product/14362