Influence of Soil Aggregate Size on Atrazine Sorption ... - USDA ARS

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and National Soil Tilth Laboratory, Agricultural Research Service, U.S. Department of Agriculture,. 2150 Pammel Drive, Ames, Iowa 50011 .... pum nylon filter disk in a glass HPLC autosampler vial. Atrazine in the ... Recovery of atrazine in.