Greece: Silvicultural research related to afforestation techniques
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| Format: | Texto biblioteca |
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1971
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| Subjects: | AFFORESTATION, RESEARCH, RESEARCH PROJECTS, PLANT NURSERIES, SEED, SOWING, SPECIES, FORESTRY OPERATIONS, WEEDING, FERTILIZERS, SPACING, THINNING, PRUNING, EXTENSION FORESTIERE, RECHERCHE, AFORESTACION, INVESTIGACION, PROJET DE RECHERCHE, PEPINIERE, SEMENCE, ENSEMENCEMENT, ESPECE, OPERATION FORESTIERE, DESHERBAGE MECANIQUE, ENGRAIS, ESPACEMENT, ECLAIRCISSAGE, TAILLE, PROYECTOS DE INVESTIGACION, VIVEROS, SEMILLAS, SIEMBRA, ESPECIES, OPERACIONES FORESTALES, ESCARDA MECANICA, ABONOS, ESPACIAMIENTO, ACLAREO, PODA, |
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