TY  - RPRT
TI  - Limited occurrence of denitrification in four shallow aquifers in agricultural areas of the United States
AU  - C.T. Green
AU  - L.J. Puckett
AU  - J.K. Böhlke
AU  - B.A. Bekins
AU  - S.P. Phillips
AU  - L. J. Kauffman
AU  - J. M. Denver
AU  - H.M. Johnson
PY  - 2008
DO  - 10.2134/jeq2006.0419
UR  - https://pubs.usgs.gov/publication/70031894
ID  - 70031894
ER  -