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By: Illinois Crop Protection Technology Conference. - University of Illinois at Urbana-Champaign. College of Agricultural, Consumer and Environmental Sciences.Edition:Publication info: [Urbana, Ill.], University of Illinois at Urbana-Champaign, College of Agricultural, Consumer and Environmental Sciences, University of Illinois Extension, 1999Volume: 1999-2001Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections: