@misc{indiciae76f745a3c0da,
  title = {Selenium and sulfur relationships in alfalfa and soil under field conditions, San Joaquin Valley, California},
  author = {R. C. Severson and L. P. Gough},
  year = {1992},
  doi = {10.2134/jeq1992.00472425002100030008x},
  url = {https://pubs.usgs.gov/publication/70016635},
  note = {Source identifier: 70016635}
}