Essential agricultural services required to support the development of fertilizer usage in developing countries.
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Format: | Texto biblioteca |
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Published: |
1965
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Subjects: | FERTILIZER APPLICATION, DEVELOPING COUNTRIES, FARM HELPER SERVICES, FERTILISATION, APLICACION DE ABONOS, PAYS EN DEVELOPPEMENT, ENTRAIDE AGRICOLE, PAISES EN DESARROLLO, MUTUALIDAD AGRARIA, |
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