Dynamic Balance Between Supply and Demand of Cultivated Land at Multi-measures

Dynamic balance between supply and demand of cultivated land means keepingthe balance between supply and demand of cultivated land within a certain area with the passage oftime. It is well known that keeping the dynamic balance between supply and demand of cultivated landis the prerequisite and basis for the sustainable use of cultivated land and the sustainabledevelopment of agriculture. And it is an overall and strategic issue related to the sustainabledevelopment of the whole society and the national economy. Nowadays, facing such a serious situationas rapid growth of population, booming industry and urban expansion, radical soil deterioration andpollution and continuous decrease of the quantity and quality of cultivated land in the world,China has to rely on its own land to get self-sufficiency of food as a No. 1 of the largestpopulation.