TY - RPRT TI - Response of oxidative enzyme activities to nitrogen deposition affects soil concentrations of dissolved organic carbon AU - M. P. Waldrop AU - D.R. Zak PY - 2006 DO - 10.1007/s10021-004-0149-0 UR - https://pubs.usgs.gov/publication/70028311 ID - 70028311 ER -