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对江西省分宜县中国林科院亚热带林业实验中心200余hm~2笋竹两用林所设固定标准地进行调查,利用数量化理论Ⅰ分析评价了笋竹两用林生产力因子(林分结构、立地条件、经营等级)对生产力指标(度产竹笋、竹材重量)的综合影响。结果表明:本试验区底竹立竹度、土壤类型、经营等级、坡向为显著影响竹林生产力的主导因子;底竹平均年龄、平均眉围、坡度、土层厚度为影响竹林生产力的次要因子。笋竹两用林生产力水平最高时的立地条件、林分结构和经营级是:竹林立竹度高(4050～4500株/hm~2),平均竹龄小(约4年生),平均眉围中偏粗(31 cm左右),林地坡度25～35°的阳坡或半阳坡,褐色壤土,土层厚度80 cm以上,Ⅰ级集约经营级。
In this paper, we investigated the fixed standards of more than 200 hm ~ 2 bamboo and timber forests in subtropical forestry experimental center of Chinese Academy of Forestry in Fenyi County, Jiangxi Province. Using quantitative theory Ⅰ, we evaluated the productivity factors of bamboo plantations Structure, site conditions, management level) on productivity indicators (yield bamboo shoots, bamboo weight). The results showed that: the bamboo density, soil type, management level and aspect in the test area were the dominant factors that significantly affected the productivity of bamboo forest. The average age, mean brow area, slope and soil thickness of bamboo were the secondary factors affecting the productivity of bamboo forest factor. The stand conditions, stand structure and management level of bamboo forest and bamboo plantation with the highest productivity were as follows: bamboo stand height (4050 ~ 4500 plants / hm ~ 2), average bamboo age (about 4 years) Mid-thicker (about 31 cm), sunny slope or semi-sunny slope with 25-35 ° slope of forest land, brown loam soil with a thickness of 80 cm or more, class Ⅰ intensive management level.