In order to understand the basic fertility condition of cultivated land and scientifically guide agricultural production in Aksu City of Xinjiang Wei Autonomous Region

China

fertility evaluation and improvedpartition of cultivated land are conducted by applying GIS technology and comprehensive index method.Results showed that the first

second and third levels of arable land account for 63.81%of the total cultivatedland area.Most of the arable land is in the middle and upper level with high land productivity potential.Themajor obstacle factor for the low level of arable land is soil salinization.Low contents of soil organic matter

total nitrogen

available nitrogen

available zinc and effective manganese are also less important obstacle factors.Improved utilization division of arable land in Aksu City is carried out by using this evaluation resultand improved utilization measurements are suggested

which helps making utilization division on arable landquantitatively.