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我国东北地区现有的近熟令的日本落叶松(Larjx Kaempferi),大都是本世纪30年代末至40年代初从日本引进的。现存的引种林分长势良好,数度开花结实,部分林分被采伐利用,已完成了一个世代和生产利用周期,表明日本落叶松的引种是成功的。据对我省日本落叶松林分实际调查看,树高生长在立地类型(表1)基本近似的条件下,因地理位置、气候因子的不同,而有较大的差别。从这一基本事实出发,我们对我省日
Most of the existing Japanese larch (Larjx Kaempferi) in northeastern China were imported from Japan in the late 1930s and early 1940s. The existing introduced stands are in good condition with several blooming and fruiting stages. Some of the stands have been harvested and utilized, and one generation and production cycle have been completed, indicating that the introduction of Japanese larch is successful. According to the actual survey of the Japanese larch forest in our province, the tree height growth is greatly different under the conditions of the approximate site type (Table 1) due to the difference in geographical location and climatic factors. Starting from this basic fact, we save on our province