木材是生产和建设的重要材料,又是人民生活不可缺少的物资。随着我国社会主义建设事业的发展,需要木材的数量越来越大,品种也越来越多。但是,我国木材资源有限,有些树种资源更少,而且现有的森林又多分布在交通不便的大山区,采运都比较困难,因而木材生产和需要之间的矛盾便越来越突出。解决这一矛盾的办法,除积极增产 Timber is an important material for production and construction as well as an indispensable material for people’s life. With the development of the cause of socialist construction in our country, more and more timber is needed and more and more varieties are also needed. However, due to the limited timber resources in our country and the less resources of some tree species, moreover, the existing forests are scattered over large mountainous areas with inconvenient transportation, making it more difficult to be harvested. As a result, the contradiction between timber production and needs has become increasingly prominent. Solutions to this contradiction, in addition to actively increase production