TY - RPRT TI - National, holistic, watershed-scale approach to understand the sources, transport, and fate of agricultural chemicals AU - P. D. Capel AU - K. A. McCarthy AU - J.E. Barbash PY - 2008 DO - 10.2134/jeq2007.0226 UR - https://pubs.usgs.gov/publication/70032155 ID - 70032155 ER -