2010 Postharvest Wheat Chemical Usage Data Issued March 16, 2011 by the Agricultural Statistics Board of the U.S. Department of Agriculture, National Agricultural Statistics Service. For more information, contact Liana Cuffman at (202) 690-0392. USDA’s National Agricultural Statistics Service today released data about pesticide use and pest management practices for postharvest wheat during the summer and fall of 2010. The data are available online at: http://www.nass.usda.gov/Surveys/Guide_to_NASS_Surveys/Chemical_Use/.