@misc{indiciaec0c7539f5d3e,
  title = {Agricultural research to improve water quality},
  author = {C.A. Onstad and M. R. Burkart and G.D. Bubenzer},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70185802},
  note = {Source identifier: 70185802}
}