Giant ragweed survey (OSU presentation)

  • Results of a survey of CCA’s to determine factors affecting the spread of giant ragweed across the north central region

Biology and Management of Giant Ragweed (Glyphosate, weeds, and crops bulletin)

Management of giant ragweed in RR soybean fields with a history of poor control (OSU & Purdue fact sheet)

  • Recommendations to improve control of giant ragweed populations that still respond fairly well to glyphosate