Eleven-year trend in acetanilide pesticide degradates in the Iowa River, Iowa.


Trends in concentration and loads of acetochlor, alachlor, and metolachlor and their ethanasulfonic (ESA) and oxanilic (OXA) acid degradates were studied from 1996 through 2006 in the main stem of the Iowa River, Iowa and in the South Fork Iowa River, a small tributary near the headwaters of the Iowa River. Concentration trends were determined using the… (More)
DOI: 10.2134/jeq2011.0426


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