The silviculture of gregarious types - Pine and other conifers.
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Format: | Texto biblioteca |
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1957
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Subjects: | CONIFERALES, PINUS, FORESTS, SILVICULTURE, ECOLOGY, ECONOMIC DISTRIBUTION, FELLING, DAMAGE, FOREST PROTECTION, VOLUME, YIELDS, RESEARCH, CONIFERALE, FORET, SYLVICULTURE, BOSQUES, SILVICULTURA, ECOLOGIE, DISTRIBUTION ECONOMIQUE, ABATTAGE D'ARBRES, DEGAT, PROTECTION DE LA FORET, RENDEMENT, RECHERCHE, ECOLOGIA, DISTRIBUCION ECONOMICA, CORTA, DANOS, PROTECCION FORESTAL, VOLUMEN, RENDIMIENTO, INVESTIGACION, |
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