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对皖东南低山丘陵地区１２个国有林场杉木人工林进行调查，用层次分析法对立地质量进行数量化评定，评定的结果与实际情况吻合；分析杉木各生长因子和产量之间的关系，用ＳＡＳ软件建立了蓄积、树高、胸径的数学预测模型，所建的模型把年龄、林分密度和立地指数有机结合起来，为该地区杉木人工林生长预测和产量预测提供可靠的依据。
The investigation was conducted on 12 Chinese fir plantations in the southeastern part of Anhui Province. The quantitative analysis of site quality was carried out by the analytic hierarchy process (AHP). The evaluation results were consistent with the actual situation. The relationship between the growth factors and the yield of Chinese fir SAS software established a mathematic prediction model of accumulation, tree height and diameter at breast height. The established model organically combined age, stand density and site index to provide a reliable basis for the growth prediction and yield prediction of Cunninghamia lanceolata plantation in this area.