Changing Trend and Sustainable Development of Farmland Resources in Pingdingshan City， China

The grey forecast and the sustainable use evaluation are conducted on the data of farmland resources from 2010 to 2020 in Pingingshan City by using the area of farmland land from 1999 to 2010 and by applying the gray forecast and land pressure system. The results show that from 2010 to 2020 the quantity of farmland resources maintains balance; the minimum per capita farmland in Pingdinshan stays around the lower limit of per capita amount of farmland in China; the pressure of farmland is rather huge and the farmland protection is not so optimistic. Therefore, in order to realize the sustainable use of land resources in Pingdinshan City, the government should try to improve the efficiency of farmland use and implement stricter land protection system. as well as the requisition-compensation balance of farmland resources, land consolidation and land reclaimation and so on.