Research into plantation silviculture in Zambia.
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| Format: | Texto biblioteca |
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1968
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| Subjects: | CULTURAL METHODS, FOREST PLANTATIONS, RESEARCH, ADAPTATION, EXPERIMENTATION, SPECIES, FERTILIZER APPLICATION, EUCALYPTUS, FORESTRY OPERATIONS, DISEASE CONTROL, PLANT DISEASES, VARIETY TRIALS, MODE DE CULTURE, PLANTATION FORESTIERE, RECHERCHE, METODOS DE CULTIVO, PLANTACION FORESTAL, INVESTIGACION, ESPECE, FERTILISATION, OPERATION FORESTIERE, CONTROLE DE MALADIES, MALADIE DES PLANTES, ESSAI DE VARIETE, ADAPTACION, EXPERIMENTACION, ESPECIES, APLICACION DE ABONOS, OPERACIONES FORESTALES, CONTROL DE ENFERMEDADES, ENFERMEDADES DE LAS PLANTAS, ENSAYOS DE VARIEDADES, |
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