迁西县耕地质量等别变化驱动机制研究

摘要

The cultivated land quality grade situations of Qianxi County from 2003 to 2011 were contras-ted, and the change characteristics of cultivated land quality grade were analyzed .Eleven driving factors influ-encing the cultivated land quality grade were choosed , and the driving mechanism of cultivated land quality grade change in Qianxi were studied using the linear regression equation established by SPSS software .The re-sults showed that the non -agriculturalizing rate of economy , urbanization rate ,comprehensive improvement of land, and the change of cropping system were the main driving factors that affected the cultivated land grade change in Qianxi County .%通过对比2003年至2011年迁西县耕地质量等别情况，分析了耕地质量等别变化特征，并选取11个影响耕地质量等别的驱动因素，运用SPSS软件建立线性回归方程，对迁西县耕地质量等别变化的驱动机制进行了分析。结果表明，经济非农化率、城市化率、土地综合整治、种植制度变化是影响迁西县耕地质量等别变化的最重要驱动因素。