@misc{indiciaea9a3835cf868,
  title = {Agricultural planning and nutrient availability.},
  author = {V E Smith},
  year = {1970},
  doi = {10.1111/j.1753-4887.1970.tb07497.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5535708/},
  note = {Source identifier: 5535708}
}