FAO Fertilizer Programme; 20 years increasing crop yields, 1961-1981
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| Format: | Texto biblioteca |
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Rome (Italy) FAO
1981
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| Subjects: | DEVELOPMENT PROJECTS, TRIAL METHODS, EXTENSION ACTIVITIES, YIELDS, Méthode d'essai, Vulgarisation, Rendement, Projet de développement, Métodos de ensayo, Extensión, Rendimiento, Proyectos de desarrollo, |
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