Northeast Research and Demonstration Farm
The purpose of this study was to evaluate several residual herbicides followed by postemergent applications of Roundup Ultra and others for soybean phytotoxicity and weed control in glyphosate resistant soybean.
Iowa State University
Owen, Michael D.; Lux, James F.; and Franzenburg, Damian D., "Weed Management in Soybean Production" (2001). Iowa State Research Farm Progress Reports. 1785.