@misc{indiciaea63fef3e024f,
  title = {Response of oxidative enzyme activities to nitrogen deposition affects soil concentrations of dissolved organic carbon},
  author = {M. P. Waldrop and D.R. Zak},
  year = {2006},
  doi = {10.1007/s10021-004-0149-0},
  url = {https://pubs.usgs.gov/publication/70028311},
  note = {Source identifier: 70028311}
}