青海云杉播种育苗技术
Forestry of China(2008)
Abstract
<正>青海云杉属松科,常绿乔木。高达25米,胸径60厘米,常组成高山地区大片针叶纯林,多形成单层林。主要生长在山地的阴坡、半阴坡,较耐寒,耐旱、耐瘠薄。垂直分布在海拔2200~3500米之间,2900米以下多与山杨、桦木等混生,2900米以上常组成纯林。
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