Sixth Meeting of the Eastern African Sub-Committee for Soil Correlation and Land Evaluation, Maseru, Lesotho, 9-18 October 1985.

פריטים דומים

• Fifth Meeting of the Eastern African Sub-Committee for Soil Correlation and Land Evaluation : Wad Medani, Sudan, 5-10 December 1983.
  יצא לאור: (1985)
• Eighth meeting of the East and Southern African Sub-Committee for Soil Correlation and Land Evaluation, Harare, Zimbabwe, 9-13 October, 1989.
  יצא לאור: (1990)
• Soils of the West African savanna the maintenance and improvement of their fertility
  מאת: Jones, Michael John
  יצא לאור: (1975)
• West African soils
  מאת: Ahn, Peter M.
  יצא לאור: (1974)
• The Soil resources of tropical Africa a symposium of the African Studies Association of the United Kingdom
  יצא לאור: (1968)