近来,关于落叶松人工林短期经营得失的问题,各地写了不少好的文章寄给本刊,希望开辟一个栏目充分进行讨论。我们也感到,象落叶松这样前期速生的优良树种,如果轮伐期确定得当,不但可以部分缓和当前木材需求量日益增大的紧张局面,而且还会收到理想的经济效益,因此,讨论一下很有意义。本刊从这期开始,将在森林经营栏里,陆续发表一些有代表性的文章,希望大家充分利用这一栏目,积极投身到这一专题讨论之中;更希望在大家的支持下,把这一讨论搞得热烈而生动,欢迎大家踊跃投稿。 Recently, on the short-run success of larch plantations, many good articles have been sent to this magazine in hopes of opening up a section for full discussion. We also feel that good tree species such as Larch, which have been growing rapidly in the early stages of life, can not only partially alleviate the current tensions in timber demand, but also receive the desired economic benefits if properly defined. Therefore, discussing Very meaningful. This issue from the beginning of this period, will be in the forest management column, one after another published some representative articles, I hope you make full use of this section, and actively join in this symposium; I hope everyone’s support, the This discussion is warm and lively, and everyone is welcome to contribute.