@misc{indiciae9ef70b94136e,
  title = {Improving nitrogen efficiency: lessons from Malawi and Michigan.},
  author = {S Snapp and H Borden and D Rohrbach},
  year = {2001},
  doi = {10.1100/tsw.2001.307},
  url = {https://pubmed.ncbi.nlm.nih.gov/12805780/},
  note = {Source identifier: 12805780}
}