Fertilization problems in Colombia on volcanic ash soils.
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| Format: | Texto biblioteca |
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1969
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| Subjects: | VOLCANIC SOILS, FERTILIZER APPLICATION, NITROGEN, ORGANIC MATTER, PHOSPHORUS, POTASSIUM, SOIL SCIENCES, LATIN AMERICA, SOL VOLCANIQUE, FERTILISATION, SUELO VOLCANICO, APLICACION DE ABONOS, AZOTE, MATIERE ORGANIQUE, PHOSPHORE, SCIENCES DU SOL, AMERIQUE LATINE, NITROGENO, MATERIA ORGANICA, FOSFORO, POTASIO, CIENCIA DEL SUELO, AMERICA LATINA, |
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