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Organic recycling in Africa

papers presented at the FAO/SIDA Workshop on the Use of Organic Materials as Fertilizers in Africa, held in Buea, Cameroon, 5-14 December 1977

  • FAO. Soil Resources, Management, and Conservation Service

Soil survey

perspectives and strategies for the 21st century : an international workshop for heads of national soil survey organizations, November 1992, Enschede

  • Zinck, J. Alfred

Guidelines for soil profile description

  • Fao: Soil resources development and conservation service

Organic materials as fertilizers

report of an expert consultation held in Rome, 2-6 December 1974

Improved use of plant nutrients

report of the expert consultation of plant nutrients : held in Rome, 18-22 April, 1977

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