Reserve Cultivated Land Resources At The Wuqi County Level Suitability Evaluation Research

Appropriate reserve cultivated land resources evaluation is not class by using the appropriate tillage land reclamation, affect the natural factors of reserve cultivated land resources through selecting index, index and social economic factors to establish reserve cultivated land resources evaluation system, calculate the comprehensive index, according to the specific situation of study area, the appropriate tilth reserve cultivated land resources development hierarchy, so as to determine the sequence of appropriate reserve cultivated land resources development, optimization and adjustment of land use structure for the future,provided the scientific basis, to safeguard national food security has important significance in the future.Added an important source of cultivated land is arable land reserve resources, it is in keeping the dynamic balance of total cultivated land plays a critical role, appropriate tilth reserve cultivated land resources investigation and evaluation of the results, can be in the future for our country land reasonable planning use and provide theoretical basis for total arable land dynamic balance decisions.In wuqi county as an example, has mastered the wuqi county land resources based on the actual situation, to the land utilization present situation chart spot as evaluation unit,combining with the wuqi county other related data, with ArcGIS software support, the evaluation index attribute data, through the principal component analysis method to evaluate index selection, combined with the actual of wuqi county, adopting the expert scoring method to determine the weight, finally determine the class around the evaluation index system, adopt " index and method" to obtain the comprehensive score of all the evaluation units, reserve cultivated land resources and the appropriate of reserve cultivated land resources development degree, determine its development sequence, on this basis of wuqi county to carry out specific analysis on the prospect of the development and utilization of reserve cultivated land resources. In wuqi county in the future the reasonable development and consolidation planning provides a certain reference.