@misc{indiciaeb82495b66245,
  title = {Fertilizers: Sustaining Global Food Supplies},
  author = {Stephen M. Jasinski and Deborah A. Kramer and Joyce A. Ober and James P. Searls},
  year = {1999},
  doi = {10.3133/fs15599},
  url = {https://pubs.usgs.gov/publication/fs15599},
  note = {Source identifier: fs15599}
}