@misc{indiciae9f684f8c28f5,
  title = {Observations on preferential flow and horizontal transport of nitrogen fertilizer in the unsaturated zone},
  author = {D.H. Wilkison and D. W. Blevins},
  year = {1999},
  doi = {10.2134/jeq1999.00472425002800050022x},
  url = {https://pubs.usgs.gov/publication/70021310},
  note = {Source identifier: 70021310}
}