Thailand: (Soil fertility): end of assignment report
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| Format: | Texto biblioteca |
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1972
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| Subjects: | SOIL FERTILITY, RESEARCH PROJECTS, NITROGEN, SPACING, YIELDS, AGRONOMY, RICE, CROPS, FERTILITE DU SOL, PROJET DE RECHERCHE, FERTILIDAD DEL SUELO, PROYECTOS DE INVESTIGACION, AZOTE, ESPACEMENT, RENDEMENT, AGRONOMIE, RIZ, PLANTE DE CULTURE, NITROGENO, ESPACIAMIENTO, RENDIMIENTO, AGRONOMIA, ARROZ, CULTIVOS, |
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