Table of Contents:
  • 1 : Managing soil resources : plenary session papers.
  • 112 p.
  • 2 : Non-symbiotic nitrogen fixation and organic matter in the tropics : symposia papers I.
  • 266 p.
  • 3 : Vertisols and rice soils of the tropics : symposia papers II.
  • 274 p.
  • 4 : Desertification and soils policy : symposia papers III.
  • 166 p.
  • 5 : Whither soil research : panel discussion papers.
  • 494 p.
  • 6 : Abstracts, voluntary papers.
  • 221 p.
  • Integramente en Inglés.
  • 9 : Proceedings of the 12th International Congress of Soil Science.
  • 224 p.