Nitrapyrin, 6-CPA, and Herbicide Concentrations in Subsurface Drains in the Midwestern US (April 2017 to June 2017)
Nitrapyrin, a nitrification inhibitor, 6-CPA, a nitrapyrin degradate, and three co-applied herbicides (acetochlor, atrazine, and metolachlor) were measured in surface drains from eights sites in Illinois. Water samples were collected from April to June 2017. The compounds studied are applied to corn, Illinois is one …