修枝对樟子松人工林生长的影响

Effects of Pruning on Growth Performance of Plantations of Pinus sylvestris var. mongolica Litv

以塞罕坝机械林场境内的25a生樟子松人工林为研究对象,用标准地调查法对其进行每木检尺,并进行分析比较。结果表明,人工修枝可以促进樟子松人工林胸径的生长,但不影响其树高的生长。

The paper studied 25-year-old Pinus sylvestris var. mongoliea Litv plantations in Saihanba forest center by using the method of sample plot investigation to tally, and then analyzed and compared. The re- suits indicate artificial pruning can promote the growth of DBH ,however,he tree height is not affected.