Browse Prairie Research Institute by Subject "Sago pondweed"
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(University of Illinois at Urbana-Champaign. Water Resources Center, 1972-02)In laboratory studies, an average of 1.5 ppm of diquat remained 65 days after the application of 5 ppm of diquat, and an average of 0.12 ppm remained 28 days after the introduction of 1 ppm of diquat. In fall field studies ...