intermediate cuttings
- 网络间伐
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Consequently , intermediate cuttings should be integrated once every few years .
因此应结合抚育间伐,每隔几年进行一次。
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Studies on the tending and intermediate cuttings of artificial forest of Pinus tabulaeformis
油松人工林抚育间伐技术的研究
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A study on effects of intermediate cuttings in Larch Plantation
人工落叶松林间伐效益的研究
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Growth Effect of Intermediate Cuttings Intensity Experiment for Twenty Years in Cunninghamia lanceolata
杉木林间伐强度试验20年生长效应的研究
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After the intermediate cuttings , the shade density basic is 0.7 . ( 6 ) .
间伐后郁闭度基本为0.7。
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So we can get the conclusion that to develop foster intermediate cuttings according to forest differentiation is the most effective way .
根据林木分化强弱适时开展抚育间伐是促进林木生长的最有效手段。
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Intermediate cuttings help to improve the nature of wood , the equality of wood texture and the ratio of utilization to some extent .
间伐有利于材性改良,间伐可在一定程度上提高保留木材质的均一性,提高木材利用率。
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The individual volume and its periodic increment of the intermediate cuttings stand were significantly different or extremely significantly different in 5 years and in 8 years after the felling , which might effectively promote the individual increment of the stand .
间伐林分单株材积及其定期生长量于伐后5年和8年即有显著或极显著差异,间伐可以有效促进林分个体生长量。
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This system can help you get the optical operating density of every age class of all kinds of intermediate cuttings by setting the maximum amount of growing stock or the maximum biomass or the maximum net income as the target of forest management according to the demand of users .
系统可以根据用户的需要,分别以林分最大蓄积量、最大生物量或最大货币收益为经营目标,求解在各种间伐体制下各龄阶的最适经营密度。