(Soil fertility): final report
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| Format: | Texto biblioteca |
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1968
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| Subjects: | IGO IICA, RESEARCH INSTITUTIONS, SOIL MANAGEMENT, SOIL FERTILITY, RESEARCH, TRAINING, TRAINING COURSES, TRIAL METHODS, FERTILIZER APPLICATION, CROPS, PASTURES, INSTITUTION DE RECHERCHE, GESTION DU SOL, FERTILITE DU SOL, RECHERCHE, FORMATION, INSTITUCIONES DE INVESTIGACION, MANEJO DEL SUELO, FERTILIDAD DEL SUELO, INVESTIGACION, CAPACITACION, COURS PROFESSIONNEL, METHODE D'ESSAI, FERTILISATION, PLANTE DE CULTURE, PATURAGES, CURSOS DE CAPACITACION, METODOS DE ENSAYO, APLICACION DE ABONOS, CULTIVOS, PASTIZALES, |
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