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本文根据落叶松人工林立地环境因子与上层木平均高的测定值及落叶松地位指数表与密度控制图,用数量化理论Ⅰ的方法,试编了落叶松数量化立地质量评定表和立地产量得分表,用以定量评价立地质量和予估立地产量,作为森林经营规划和造林设计的依据。一、材料的选择本文所用资料,为1965年吉林省落叶松人工林会战组在我省中东部落叶松人工林主要分布区内的十二个县(市)、十七个国营林场和十三个生产队,按不同立地条件、密度、林令
According to the measured value of Larch plantations and the average value of the upper wood and the index of larch status and density control chart, this paper made a quantitative analysis of Larch quantitative site quality assessment table and site production Scoring table, used to quantitatively evaluate site quality and estimate the amount of land production, as a basis for forest management planning and afforestation design. First, the choice of materials The data used in this article, for the 1965 Jilin Larch Plantation Campaign Group in the central region of our province larch plantations in the main distribution area of 12 counties (cities), 17 state-owned forest farms and thirteen A production team, according to different site conditions, density, forest orders