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四川阿坝州川西林业局于1973年与四川省林科院合作.从东北引进日本落叶松树种,先后在三个不同海拔高度的采伐迹地进行引种试验.育苗3年,平均苗高42. 57cm,最高100cm.而同龄红杉苗高仅19.4cm,高生长比当地波氏落叶松快一倍以上.1983年从该局自采引种的日本落叶松种子育苗,当年新播育苗,最高单株高达24.5rn.第二年最高单株高达52.8cm.第三年平均苗高64cm.1977年该局在海拔3100m的塔干进行幼树移栽试验.成活率达
Sichuan Aba Chuanxi Forestry Bureau in cooperation with the Sichuan Provincial Academy of Forestry in 1973. From the introduction of Japanese larch species from the northeast, successively in three different altitude deforestation for introduction test seedling three years, the average seedling height 42. 57cm, Up to 100cm. The same age Sequoia seedlings only 19.4cm, high growth than the local Larix spp. More than doubled in 1983 from the Bureau of self-mining seed introduced Larix kaempferi seedlings, the newly sowed seedlings, the highest single plant up to 24.5 rn. The second year the highest single plant up to 52.8cm. The third year average seedling height 64cm. Rests in 1977. The 3100m tower in Taichun seedlings transplanting test. Survival rate of