Regionalization for grassland related fields in Africa.
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Format: | Texto biblioteca |
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1969
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Subjects: | PL GFA, RESEARCH, EDUCATION, FARM SURVEYS, GRASSLANDS, PLANT PRODUCTION, AFRICA SOUTH OF SAHARA, RECHERCHE, ENQUETE SUR EXPLOITATIONS AGRICOLES, HERBAGE, INVESTIGACION, EDUCACION, ENCUESTAS SOBRE EXPLOTACIONES, PRADERAS, PRODUCTION VEGETALE, AFRIQUE AU SUD DU SAHARA, PRODUCCION VEGETAL, AFRICA AL SUR DEL SAHARA, |
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