关键词: 耕地数量, 驱动力, 四川省

Abstract: In recent years, with the increase of population and development of economy, the quantity of cultivated land decreases. It can be divided into three stages, which are called rapid decreasing stage-slow decreasing stage-sharp decreasing stage. According to the analyses of model, the main reasons for the cultivated land decreasing lie in the increase of population, the development of urbanizing and nonagricultural industry, etc. So, in the future, the decreasing rate of the cultivated land will be decided by some key measures, such as controlling the increase of population rigidly, increasing the input of land exploitation and renovation, carrying out the polices of cultivated lands protection firmly and so on.

Key words: cultivated land quantity, driving forces, Sichuan province