@techreport{fdi:06732,
  title = {{A} mathematical model for calculation of agricultural productivity in terms of parameters of soil and climate},
  author = {{R}iquier, {J}ean},
  editor = {},
  language = {{EN}},
  abstract = {},
  keywords = {{AGROCLIMATOLOGIE} ; {PRODUCTION} {AGRICOLE} ; {FACTEUR} {CLIMATIQUE} ; {FACTEUR} {EDAPHIQUE} ; {MODELE} {MATHEMATIQUE}},
  address = {{R}ome},
  publisher = {{FAO}},
  series = {},
  pages = {9  multigr.},
  year = {1972},
  URL = {https://www.documentation.ird.fr/hor/fdi:06732},
}