The authors analyze the quantitative change characteristic of the cultivated land in Jiangsu Province in recent years, and forecast its quantity in 2020 with the regressive multianalysis model.

• 分析了改革开发以来江苏省耕地总量和人均耕地的变化趋势，运用多元线性回归模型对其2020年的耕地数量作出了预测；