2020 Weed control guide for Ohio, Indiana and Illinois / Mark M. Loux, Doug Doolan and Anthony F. Doebbels, Department of Horticulture and Crop Science, The Ohio State University ; William G. Johnson, Bryan G. Young and Marcello Zimmer, Department of Botany and Plant Pathology, Purdue University ; Aaron Hager, Department of Crop Sciences, University of Illinois ; [Ohio State University Extension].
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