The silver bullet that wasn't: Glyphosate's declining weed control over 25 years
College of Agricultural, Consumer and Environmental Sciences, University of Illinois Urbana-ChampaignA new PNAS Nexus study led by scientists from the USDA Agricultural Research Service (USDA-ARS) and the University of Illinois Urbana-Champaign takes a retrospective look at glyphosate efficacy after tolerant crops were commercialized.