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Citation
Pieterse, A. H. and F. A. Roorda. 1982. “Synergistic Effect of Gibberellic Acid and Chlorflurenol on 2,4 -D with Regard to Water Hycinth Control.” Special Collections, USDA National Agricultural Library. Accessed October 10, 2026, https://www.nal.usda.gov/exhibits/speccoll/items/show/4423.
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