Ceylon - Soil and paddy problems - Report to the government.
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| Format: | Texto biblioteca |
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1955
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| Subjects: | RICE, SOIL, PRODUCTION, ORGANIC MATTER, NITROGEN, WATER SUPPLY, WATER REQUIREMENTS, ARID ZONES, EROSION, HUMID ZONES, SOIL SURVEYS, SUGARCANE, VALLEYS, SURVEYING, SOIL CLASSIFICATION, CLIMATE, TOPOGRAPHY, GEOMORPHOLOGY, RIZ, SOL, ARROZ, SUELO, MATIERE ORGANIQUE, AZOTE, APPROVISIONNEMENT EN EAU, BESOIN EN EAU, ZONE ARIDE, ZONE HUMIDE, ENQUETE PEDOLOGIQUE, CANNE A SUCRE, VALLEE, RELEVE (DES DONNEES), CLASSIFICATION DES SOLS, CLIMAT, TOPOGRAPHIE, GEOMORPHOLOGIE, PRODUCCION, MATERIA ORGANICA, NITROGENO, ABASTECIMIENTO DE AGUA, NECESIDADES DE AGUA, ZONA ARIDA, ZONA HUMEDA, RECONOCIMIENTO DE SUELOS, CANA DE AZUCAR, VALLES, PROCEDIMIENTO DE LA ENCUESTA, CLASIFICACION DE SUELOS, CLIMA, TOPOGRAFIA, GEOMORFOLOGIA, |
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