In this paper, taking Tarim River Basin as a case, the positive effects of agricultural resources are studied by using 9 important indexes to assess the utilization of water and soil resources.It is discovered that the loading of the first common factor is high in GDP, grain yield, population, amount of livestock, financial income, farmland acreage, gross agricultural output and valid irrigated acreage, which can be used to reflect the capacity of population, environment and economy;the loading of the second common factor is high in electric irrigation and drainage acreage, which can be used to reflect the capacity of water and soil resources. |