@misc{indiciae4b12c81c724d,
  title = {Controlled and renewable release of phosphorous in soils from mixtures of phosphate rock and NH4-exchanged clinoptilolite},
  author = {T.-M. Lai and D. D. Eberl},
  year = {1986},
  doi = {10.1016/s0144-2449(86)80010-0},
  url = {https://pubs.usgs.gov/publication/70014922},
  note = {Source identifier: 70014922}
}