Report of the 3. Conference on Soil Fertility and Fertilizer Use in Africa, held at Addis Ababa, 3.-7.11.1970
Year of publication: |
1971
|
---|---|
Institutions: | 3. Conference on Soil Fertility and Fertilizer Use in Africa, held at Addis Ababa, 3.-7.11.1970 (contributor) ; Food and Agriculture Organization of the United Nations (contributor) |
Publisher: |
Rome |
Subject: | Agrardüngemittel | Agrarproduktion | Afrika |
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Alexander, T. M., (1971)
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Computation of variance estimates for marginal physical products and marginal rates of substitution
Doll, John P., (1960)
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The seed-fertilizer revolution and labor force absorption
Johnston, Bruce F., (1969)
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Harrison, Paul, (1984)
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