结果表明，在森林立地质量评价的诸多方法之中，直径生长潜力仍然不失为一种应用简便和行之有效的方。
The results showed that: among the appraisal methods of forest site quality, diameter growth potential was still a practical and effective measure.
本文在对落叶松人工林进行立地分类和立地质量评价的基础上，建立了落叶松人工林的矩阵模型和单木生长模型。
Based on the site classification and site evaluation, the matrix models (size class model) and individual tree growth model was developed in this paper.
简述了森林立地质量评价及其意义，并较详细地论述了普洱县立地质量评价的方法和步骤，包括资料的收集、整理及分析等。
The site quality evaluation of forest in Puer county and its significance are discussed briefly, but its method and procedures including data collection and analysis are elaborated in detail.
划分森林立地类型，综合评价林地质量，是适地适树，科学地进行营造林和预测森林生产力的基础。
Dividing the forest site type, comprehensive appraisal the quality of forest land are the bases to match species with the site, scientifically mange and afforest and predict productivity.
立地指数是评价林地质量的数量化指标。
The site index is the amount parameter of evaluating the quality of the forest land.
介绍了综合评价模型的基本原理和方法以及应用该模型在吉林省双阳县进行森林立地质量综合性评价的结果。
In this paper the principles and methods of the synthetical evaluating model were presented and the forest-site quality in Shuangyang County were evaluated by the model.
利用这一模型可对河北省山区核桃立地质量进行数量化评价，为河北省山区核桃的栽培生产管理提供了理论依据。
Using this model to appraise the Hebei province mountainous area walnut vertical quality, it provided the theory basis for Hebei province mountainous area walnut management of cultivation production.
利用这一模型可对河北省山区核桃立地质量进行数量化评价，为河北省山区核桃的栽培生产管理提供了理论依据。
Using this model to appraise the Hebei province mountainous area walnut vertical quality, it provided the theory basis for Hebei province mountainous area walnut management of cultivation production.
应用推荐