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我场是以营造杉树为主的国营林场,自1973年以来,陆续进行了主伐。对于杉树主伐后,采用怎样的更新技术,使其产量达到或超过第一代的产量指标,这是当前杉树生产中急需解决的问题之一。笔者多年来对杉树荫芽更新作了一些调查。现就这个问题提出如下一些意见:1.一定要保留好伐根第一次萌发的萌芽条。杉树主伐后,一般应抓紧时间把砍伐下来的杉木运出迹地。为了更新作业的方便和
My field is to create fir-based state-owned forest farms, since 1973, one after another carried out the main cut. After the main cutting of cedar tree, what kind of updating technology is adopted to make the output reach or exceed the first generation’s output index, which is one of the problems that need to be solved in the current production of cedar. The author made some investigations on the regeneration of fir-tree buds over the years. Now on this issue put forward the following opinions: 1. Be sure to keep the sprout root germination of the first germination. After the main cutting of cedar trees, we should seize the time to remove the harvested cedar trees. In order to update the convenience of homework and