Tree improvement in the douglas-fir region.
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Format: | Texto biblioteca |
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1969
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Subjects: | PSEUDOTSUGA MENZIESII, TREES, FORESTS, BREEDING METHODS, FOREST RESOURCES, OWNERSHIP, PHYSIOGRAPHY, BIOLOGY, DEMAND, WOOD, ARBRE, FORET, METHODE D'AMELIORATION GENETIQUE, ARBOLES, BOSQUES, METODOS DE MEJORAMIENTO GENETICO, RESSOURCE FORESTIERE, PROPRIETE, PHYSIOGRAPHIE, BIOLOGIE, DEMANDE, BOIS, RECURSOS FORESTALES, PROPIEDAD, FISIOGRAFIA, BIOLOGIA, DEMANDA, MADERA, |
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