@misc{indiciaed2b7384e35f9,
  title = {Zinc movement in sewage-sludge-treated soils as influenced by soil properties, irrigation water quality, and soil moisture level},
  author = {J.E. Welch and L.J. Lund},
  year = {1989},
  url = {https://pubs.usgs.gov/publication/70015787},
  note = {Source identifier: 70015787}
}