中国耕地资源变化对农业可持续发展的影响

Influence of the changing of Chinese cultivated land resources on agricultural sustainable development

为解决如何合理利用耕地 ,从质量上保护耕地资源 ,保持耕地肥力这一问题 ,本文利用因素分摊法 ,建立了耕地资源的数量和质量及粮食生产能力指数体系。分析耕地资源数量和质量的变化对农业可持续发展的影响 ,从而得出结论 :耕地质量是严重影响农业可持续发展的关键因素。进而提出了在保持耕地数量稳定的同时 ,更应加强对耕地质量的立法保护等。

Nowadays, there are changes in both quantity and quality of our country's cultivated land. Although the tendency towards sharp decrease of cultivated land quantity slows down, the decrease of cultivated land is still tremendous. At the same time, the changing of cultivated land quality is by far greater than that of the quantity. These changes have become the serious barrier on agricultural sustainable development. In this paper, the principle of sharing-factor is used to develop the index system on ability of food product, quantity and quality of cultivated land resources. Also, the analysis is based on this changing through which we have found out that the quality is the key-factor which severely influenced agricultural sustainable development. Finally, this article has put forward some countermeasures mainly about keep the quantity of cultivated land stable, meanwhile,pay more attention to the legislative protection on the quality of cultivated land.