Report of the third Conference on Soil Fertility and Fertilizer use in Africa, Addis Ababa, Ethiopia, 3-7 Nov 1970
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| Format: | Texto biblioteca |
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1971
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| Subjects: | AGL SFFU, FERTILIZERS, SOIL FERTILITY, TRIAL METHODS, EXTENSION ACTIVITIES, CROPS, PLANT RESPONSE, PRODUCTION INCREASE, ECONOMIC SITUATION, RESEARCH, SOIL, AGRONOMY, ENGRAIS, FERTILITE DU SOL, ABONOS, FERTILIDAD DEL SUELO, METHODE D'ESSAI, VULGARISATION, PLANTE DE CULTURE, REPONSE DE LA PLANTE, ACCROISSEMENT DE PRODUCTION, SITUATION ECONOMIQUE, RECHERCHE, SOL, AGRONOMIE, METODOS DE ENSAYO, EXTENSION, CULTIVOS, RESPUESTA DE LA PLANTA, AUMENTO DE PRODUCCION, SITUACION ECONOMICA, INVESTIGACION, SUELO, AGRONOMIA, |
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