Improving soil fertility in Africa
By: papers presented at the third conference on soil fertility and fertilizer use in Africa, Addis Ababa, Ethiopia, 3-7 November 1970.
Contributors: Food and Agriculture Organization.; Conference on Soil Fertility and Fertilizer Use in Africa, (3rd : 1970 : Addis Ababa, Ethiopia)
Series: FAO Soils bulletin -- 14
Publisher: Food and Agriculture Organization
Published: 1971
Place of publication: Rome
Language: eng