必须加强用材林林分抚育使其达到合理的林分结构以使其经济效益最大化。
Therefore, appropriate stand tending measures should be taken to improve the forest structures of timber forest, so as to gain the optimum economic benefits.
本文根据林分结构和森林产量长期实验林的研究成果，提出了刺槐林的抚育作业次序。
In the paper the sequence of forest tending operations in black locust stands is proposed, based on results of long-term stand structure and forest yield trials.
通过合理的林分改造及抚育管理，可以提高单位面积的产量，增加林农的收入。
The yield unit area can be increased after rational stand transformation and tending management, farmers income raised.
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