竹材进入冬季后 ,竹液流动缓慢 ,生长势减弱 ,处于休眠状态 ,竹材力学性质好。这时采伐竹材 ,不仅有利于竹林的旺盛生长 ,同时采伐的竹材也不易遭虫蛀 ,便于竹材加工和提高竹制品的使用价值。但也不能随心所欲 ,滥采乱伐 ,应掌握以下 3条原则。1　确定立竹度立竹度也就是以郁闭 Bamboo into the winter, bamboo flow slow, weakening growth potential, in a dormant state, good mechanical properties of bamboo. At this time logging bamboo, not only conducive to the vigorous growth of bamboo, timber is also not easy to be moth-eaten, easy bamboo processing and improve the use of bamboo products value. However, we should not abide by the arbitrary rules and indiscriminately adopt the following three principles. 1 to determine the degree of establishment of bamboo stand bamboo is closed