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马尾松(Pinus massoniana Lamb),是一个亚热带的适生树种,在句容县的宁镇、茅山低山丘陵地区广为分布,是当地的主要用材树种,面积占该县用材林面积的43.3%,蓄积量占用材林蓄积量的33.7%.因比,经营好马尾松林,对该县林业生产有着重要的经济意义.目前,在营林上存在的一个问题是:集体的马尾松林,普遍修枝过度,严重影响马尾松生长,为探求过度修枝对马尾松生长影响程度,我们调查了句容磨盘山林场,磨盘李塔大队、袁巷戴庄大队、黄梅博市大队的马尾松林.以典型选样的方法,选择立
Pinus massoniana Lamb, a subtropical tree species widely distributed in the towns of Ningzhen and Maoshan of Jurong County, is the main timber species in the area, occupying 43.3% of the area of the timber forest in the county. The accumulation volume occupies 33.7% of the total volume of timber forest.Because of the ratio, the management of masson pine forest, has an important economic significance for the forestry production in the county.At present, there is a problem in the forest management is: collective masson pine forest, , Seriously affecting the growth of Pinus massoniana, in order to explore the effect of excessive pruning on the growth of Pinus massoniana, we surveyed the Jurong Mopanshan Forest Farm, Mopita Li tower brigade, Yuanxiang Dai Zhuang Brigade, Huangmeibo City brigade of Masson pine forest. Kind of method, choose legislation