| This paper expatiate the signification of exploiting the cropland in support according to the characteristic of cropland resources in China. On the basis of detailed analysis of the datum of cropland, the classificatory index of supported cropland using potential(SPUP) and its distribution features, this paper figure out the integrative index of SPUP in different regions in Xinjiang. Moreover, the paper puts forward the practical measures of exploiting and utilizing the cropland resources in support. |