对树木进行合理修枝,可以促进树木生长,提高林业生产效益。可是,我们经常看到一些地方的树木(包括集中连片的树林、农田林网和四旁树木)修枝过酷,不论杨树、柳树、榆树、刺槐等阔叶树,还是油松等针叶树,统统被修理的只剩下很少几根枝条。这些地方有的是因为缺柴,有的是怕树冠大了遮地影响其它作物的生长,更多的是不懂得树木的生长规律和修枝技术。 Rational pruning of trees, can promote the growth of trees, improve forestry production efficiency. However, we often see trees in some places (including the contiguous forest, the farmland forest and the four sides of the trees) pruned, regardless of poplar, willow, elm, locust and other coniferous trees, or conifers such as pine, all were Only a few repaired branches. Some of these places because of lack of firewood, and some are afraid of the crown of the big cover affect the growth of other crops, more do not know the law of the growth of trees and pruning techniques.