TY  - RPRT
TI  - Relating management practices and nutrient export in agricultural watersheds of the United States
AU  - Lori A. Sprague
AU  - Jo Ann M. Gronberg
PY  - 2012
DO  - 10.2134/jeq2012.0073
UR  - https://pubs.usgs.gov/publication/70037937
ID  - 70037937
ER  -