滩地杨树生长立地因子的多变量分析

Analysis of the Growth Factors of Poplar by Polygenesis Regression

应用多元统计分析方法，对长江中下游滩地杨树人工林生长与立地条件诸因子的关系进行研究．结果表明：影响滩地杨树人工林生长的立地因子为土壤质地、土壤容重、滩面高程、土壤湿度、淹水时间，其中前三项为主要影响因子．结果为今后滩地杨树大面积造林及经营管理提供了重要理论依据和参考．

The growth factors of poplar were studied in this paper. The results showed that environmental factors effecting the growth of poplar were the type and unit weight of the soil, height of beach, inundated time and humidity of the soil. The first three factors are the main ones. The results offer some theory and management suggestions for poplar forestation in large area beach.