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- Lerch, R.N.; Sadler, E.J.; Baffaut, C.; Kitchen, N.R.; Sudduth, K.A.
- Journal of the American Water Resources Association 2011 v.47 no.2 pp. 224
- herbicides; acetochlor; alachlor; metolachlor; metribuzin; water pollution; pollution load; agricultural watersheds; best management practices; chemical concentration; temporal variation; Midwestern United States
- ... Farmers in the Midwestern United States continue to be reliant on soil-applied herbicides for weed control in crop production, and herbicide contamination of streams remains an environmental problem. The main objective of this study was to analyze trends in concentration and load of acetochlor, alachlor, metolachlor, and metribuzin in Goodwater Creek Experimental Watershed (GCEW) from 1992 to 2006 ...
- Lerch, R.N.; Sadler, E.J; Sudduth, K.A.; Baffaut, C.; Kitchen, N.R.
- Journal of the American Water Resources Association 2011 v.47 no.2 pp. 209
- herbicides; atrazine; water pollution; chemical concentration; pollution load; watersheds; ecosystems; agricultural land; Zea mays; Sorghum (Poaceae); agricultural runoff; regression analysis; temporal variation; ecotoxicology; time series analysis; Missouri
- ... Atrazine continues to be the herbicide of greatest concern relative to contamination of surface waters in the United States (U.S.). The objectives of this study were to analyze trends in atrazine concentration and load in Goodwater Creek Experimental Watershed (GCEW) from 1992 to 2006, and to conduct a retrospective assessment of the potential aquatic ecosystem impacts caused by atrazine contamina ...