TY - RPRT TI - Regional variability of nitrate fluxes in the unsaturated zone and groundwater, Wisconsin, USA AU - Christopher T. Green AU - Lixia Liao AU - Bernard T. Nolan AU - Paul F. Juckem AU - Christopher L. Shope AU - Anthony J. Tesoriero AU - Bryant C. Jurgens PY - 2018 DO - 10.1002/2017wr022012 UR - https://pubs.usgs.gov/publication/70195031 ID - 70195031 ER -