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Variation in biometrical characters of pine and spruce at different stages of development



Variation in biometrical characters of pine and spruce at different stages of development



Iskusstv vosstanovlenie lesa na Sever: 68-78



From studies of variation in seedlings of Pinus sylvestris and Picea abies raised under artificial conditions and in nurseries in Arkhangel'sk, it is concluded that material that is to be selected for planting should be raised as far as possible in environmentally uniform conditions in the absence of interspecific and intraspecific competition.

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