摘要
以樟子松4 a生容器苗在栗钙土上进行造林,采用每年2、2、2、1、1次连续抚育5 a,结果表明:当年成活率达到95.8%,3 a保存率为86.3%,最终保存率为81.2%,高于国家规定16个百分点;11 a生树高总高度为316.4 cm,未发现有病虫危害,长势良好。
The forestation was carried on the chestnut soil with 4 years container seedlings of Pinus sylvestris var.mongolica Litv.by tending 5 years consistently 2, 2, 2, 1, 1 times every year.The result showed that the rate of survival was 95.8%in that very year.The rate of survival of 3 years was 86.3%.The final rate of survival was higher than national regulation 16 percentage point was 81.2%.The total height of 11 years trees was 316.4 cm.It didn’t appear pests disease and its growth was well .
出处
《吉林林业科技》
2014年第6期14-15,共2页
Journal of Jilin Forestry Science and Technology
关键词
樟子松
容器苗
栗钙土
造林
Container seedling
Chestnut soil
Forestation
