Study On Leaving Unused Agricultural Land And Their Utilization

Land is an important kind of place and natural resource for human existing and development. With the high speed development of economy, the contradiction between the ecological environment and natural resources on the one hand and economic and social sustainable development on the other is becoming increasingly conspicuous in China. However, there is a great quantity of idle land in rural areas. It leads to the waste of land resource and agricultural input, the intensity of the conflict between human and land, the recession of ecological economy and farmland quality. These results are tough challenges for new socialist countryside construction.Under this background, the paper systematic research the idle farmland based on the existing research results and experience. The classification principle and identification of idle farmland are analyzed in this paper. Evaluation system of utilization potential is constructed at the same time. The results provide scientific basis for balance between human and land, food security, income growth of peasants, farmland development and utilization.The main conclusions are:idle farmland is farmland that economic benefits, social benefits and ecological benefits are not full expressed. We classified idle farmland into 3 categories. DivisionⅠ, subdivision into dominant idle farmland and recessive idle farmland; divisionⅡ, subdivision into idle cultivated land, idle gardens, idle urban construction; divisionⅢ, subdivision into restoration, calamity, pollution. The way of idle farmland identification is forward. Evaluation system of utilization potential index is constructed.We choose lengshuitan as an example:in lengshuitan, the area of dominant idle farmland are 2138.71 hectares; the main reasons leading to the farmland left unused including agricultural income, agricultural labour, agriculture infrastructure, price of farm products, etc.; the potential of idle farmland in lengshuitan is expanding.