The FAO Fertilizer Programme: 15 years in the field
Photographs
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| Main Author: | |
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| Format: | Texto biblioteca |
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Rome (Italy) FAO
1975
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| Subjects: | AGL FFHC FP, EXTENSION ACTIVITIES, DEVELOPING COUNTRIES, FERTILIZERS, TRIAL METHODS, VULGARISATION, PAYS EN DEVELOPPEMENT, ENGRAIS, EXTENSION, PAISES EN DESARROLLO, ABONOS, METHODE D'ESSAI, METODOS DE ENSAYO, |
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| Summary: | Photographs |
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