@misc{indiciaecd7248bc1b4e,
  title = {Biochar for soil fertility and natural carbon sequestration},
  author = {C.E. Rostad and D.W. Rutherford},
  year = {2011},
  doi = {10.3133/fs20103117},
  url = {https://pubs.usgs.gov/publication/fs20103117},
  note = {Source identifier: fs20103117}
}