ID:DA09014922
Workshop on the Use of Organic Materials as Fertilizers in Africa, FAO/SIDA
Use of Organic Materials as Fertilizers in Africa, FAO/SIDA Workshop on the
F.A.O./S.I.D.A. Workshop on the Use of Organic Materials as Fertilizers in Africa (1977 : Buea, Cameroon)
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Soil Resources, Management and, Conservation Service [and] Land and Water Development Division
Food and Agriculture Organization of the United Nations 1980 FAO soils bulletin 43
pbk.
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