玛可河林区川西云杉大苗造林试验

Chuanxi Spruce Forestation by Big Nursery Stock in Makehe Forest Region

青海省玛可河林区地处青南高寒地区,其乡土树种为川西云杉,针对小苗在造林中成活率、保存率低的特点,近几年我局采用川西云杉大苗、并选择不同地形进行了造林实验。其成活率、保存率有了很大的提高,成活率达到88.4%—95.2%,保存率达到62.2%—93.9%。

Makehe forest region is situated in high and cold region of south of Qinghai.Chuanxi spruce is indigenous species. Big nursery stock has been forestated according to the character of survival and preserving low rate by small nursery stock in Makehe forest region.The survival and preserving rate were greatly increases by big nursery stock to forestation.Survival rate were 88.4%—95.2%.Preserving rate were 62.2%—93.9%.