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基于生态营林桉树与黑木相思混交模式的探析

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桉树与固氮树种黑木相思的混交有利于生态营林的建设,本文梳理了现阶段桉树与黑木相思混交关于混交模式的典型研究案例,根据热带/亚热带黑木相思和桉树的林分配置现状,运用种间关系和土壤养分供给理论,推荐桉树与黑木相思的混交林应实行间隔 3 株桉树采伐 2 株然后补植黑木相思的模式;桉树与黑木相思新植林实行桉树和黑木相思 3:2 或 1:1的比例,即 3 行桉树2 行黑木相思或1 行黑木相思1 行桉树,株行距2.8~3.0 m×3 m,林分密度约1100 株·hm-2.旨意为桉树与黑木相思生态混交模式提供合理建议.
Analysis of the Hybrid Mode of Eucalyptus and Acacia Melanoxylon based on Ecological Camp
According to the forest-Stand configuration status of tropical/subtropical Acacia melanoxylon and Eucalyptus,using interspe-cific relationships and soil nutrient supply theory,it is recommended that the mixed forest with Acacia melanoxylon should implement the mode of felling 2 Eucalyptus trees at intervals of 3 eucalyptus and then replanting Acacia melanoxylon.The ratio of Eucalyptus and A-cacia melanoxylon 3:2 or 1:1 is implemented,that is,3 rows of Eucalyptus trees,2 rows of Acacia melanoxylon or 1 row of Acacia mel-anoxylon 1 row of Eucalyptus,the plant row spacing is 2.8~3.0×3m,and the stand density is about 1100 plants·hm-2.The intention is to provide reasonable suggestions for the ecological mixing model of Eucalyptus and Acacia melanoxylon.

Eucalyptusacacia melanoxylonmixedecological forestrystand configuration

吴海、黄宏琴、黄良

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广西壮族自治区国有六万林场,广西 玉林 537000

桉树 黑木相思 混交 生态营林 林分配置

2024

林业科技情报
黑龙江省林业设计研究院

林业科技情报

影响因子:0.656
ISSN:1009-3303
年,卷(期):2024.(1)
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