USDA/NRCS Data: Comparison of birth to finish corn fed beef production vs. birth to finish 100% grass fed beef production. Erosion rates measured on a typical Wisconsin tilled crop field vs. a typical Wisconsin grass pasture.
Prof. Nancy Rabalais, LA University, Marine Biologist Ted Talk. 15 min. that will explain all you need to know on the how’s and why of the Dead Zone from a 20+ year research career.
(click to download)