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R. Bradford ; US ENVIRONMENTAL PROTECTION AGENCY | US Environmental Protection Agency, Washington D.C. : Office of research and development | EPA 660 2 74 033 | 1974A study of nitrogen and phosphorus losses from Decatur silt loam soil was conducted over three cropping periods from 1969-1972. Experimental agronomy plots at Alabama A. & M. University were seeded to cotton, corn, soybeans, and millet and compa[...]