Nutrient Management in Mid-Atlantic Organic Grain Cropping Systems.
Victoria J. Ackroyd, 10300 Baltimore Ave, University of Maryland, College Park, MD, US, Steven B Mirsky, Sustainable Agricultural Systems Lab, USDA-ARS, Beltsville, MD, Michel A. Cavigelli, Bldg 001 Rm 140, USDA-ARS, Beltsville, MD and John T. Spargo, Tower Road, Ag Analytical Services Lab, University Park, PA