... Profitability. August 1998. Greene, C. and A. Kremen. U. S. Organic Farming in 2000-2001.” U. S. Dept. of Agriculture, Economic Research Service, Agricultural Information Bulletin Number 780, February ... Returns. http://www.ers.usda.gov/Data/CostsAndReturns/. <accessed December 19, 2006>. U. S. Dept. of Agriculture, National Agricultural Statistics Service. Agricultural Prices 2005 Summary. ... cattle housing, milking facilities, feed storage structures, manure handling and storage structures, feed handling equipment, tractors, trucks, and purchased dairy herd replacements used up in...