This paper states that forest tending and low yield forest rebuilding is the effective approach of resuming forest ecology system.
本文着重论述了加强森林抚育低效林改造是恢复森林生态系统的有效途径及其可行性和必要性。
It seemed that it is a good way to transform low yield forest by elite clones grafting for its easy method and big increase of output.
初步看出，用优良无性系嫁接换种改造低产林方法简易，增产幅度大，是改造低产林的有效途径。
Low yield poor-quality bamboo forest transformation, press 80 yuan per Mu to give one-off grants.
低产劣质竹林改造，按每亩80元给予一次性补助。
Technique and countermeasures were proposed for transformation of low yield timber forest after analysis on its causes through investigation on current resources of low yield and scattered forest.
在调查研究全省现有低产林及疏林资源基础上，着重分析了低产用材林形成的原因。并提出了低产用材林改造的技术路线与相应措施。
Technique and countermeasures were proposed for transformation of low yield timber forest after analysis on its causes through investigation on current resources of low yield and scattered forest.
在调查研究全省现有低产林及疏林资源基础上，着重分析了低产用材林形成的原因。并提出了低产用材林改造的技术路线与相应措施。
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