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For more information on the methods and procedures used to estimate these data see:
"Confined Animal Production and Manure Nutrients" by Noel Gollehon, Margriet Caswell, Marc Ribaudo, Robert Kellogg, Charles Lander, and David Letson. ERS Agriculture Information Bulletin No. 771, June 2001, or "Manure Nutrients Relative to the Capacity of Cropland and Pastureland to Assimilate Nutrients: Spatial and Temporal Trends for the U.S." , by Robert Kellogg, Charles Lander, David Moffitt, and Noel Gollehon, NRCS report nps00-0579, December 2000.
More information on the Census of Agriculture is available from the National Agricultural Statistics Service.
More information on a the general topic of agricultural and conservation policy is available from
conservation policy briefing room.
More information is available from the September 2000 Agricultural Outlook article.
More information is available from theNational Water Management Center of the Natural Resources Conservation Service.
More information on nutrient management is available from the
Natural Resources Conservation Service.
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