摘要
对太行山石灰岩区干旱阳坡引种了 11a的樟子松的生长、开花结实及其对土壤的改良效果、水保效益进行了分析 ,结果表明 ,引种的樟子松比相同立地条件下同龄油松的树高平均提高了 2 8.6 0 %,地径平均提高了 8.2 0 %,林地持水量提高了2 3.9%。实践证明 。
The analysis of the growth and the soil improvement,water and soil conservation,flower and fruit of 11 year old Mongolian scotch pine in the arid slopes of limestone region of Taihang Mountain shows that this pine is fit for growing in the sunny slopes,the average height increases by 28.6% than that of Chinese pine in the same sites,the basal diameter increases by 8.2%,and the water capacity of forest land increases by 23.9%.It is a good tree species of water and soil conservation for growing in sunny slopes in Taihang mountain.
出处
《山西林业科技》
2000年第3期32-35,共4页
Shanxi Forestry Science and Technology
关键词
太行山
阳坡
樟子松
引种
生长发育
生态效益
Tai Hang mountain
sunny slopes
Mongolian scotch pine
introduction
