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Citation
Smith, Allan E.. 1979. “Soil Persistence Experiments with [14C] 2,4 -D in Herbicidal Mixtures, and Field Persistence Studies with Tri-Allate and Trifluralin both Singly and Combined.” Special Collections, USDA National Agricultural Library. Accessed September 20, 2026, https://www.nal.usda.gov/exhibits/speccoll/items/show/4489.
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