December 1, 2006
Published by Charles Benbrook, Ph.D.
October 1, 2006
Published by Alan J. Franzlubbers and Richard L. Haney, USDA Agricultural Research Service
September 1, 2006
Published by Charles M. Benbrook, Chief Scientist, The Organic Center
January 1, 2005
Published by Charles M. Benbrook, Chief Scientist, The Organic Center
May 1, 2004
Published by Charles M. Benbrook, Chief Scientist, The Organic Center

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