Soybean Production and Disease Loss Estimates for North Central United States from 1989 to 1991. Ben Doupnik, Jr., Plant Pathologist, University of Nebraska South Central Research and Extension Center, Clay Center, NE 68933.  A Special Project Report on Soybean Disease Loss Estimates by the NCR-137 Soybean Diseases Committee. Plant Dis. 77:1170-1171. Copyright 1993 American Phytopathological Society. DOI: 10.1094/PD-77-1170.