Analysis of comprehensive principal factors in irrigation management level index of irrigation area

This article brings forward 8 indexes for evaluating the irrigation management level of the irrigation area, aiming at the country-wide large irrigation area's continued allocation facilities construction and the water saving reform project. We adopt the principle of the factor analysis system to build up the comprehensive index for evaluating irrigation management level of irrigation area-comprehensive factor, with which the result shows it obeys the normal distribution, and brings forward the relevant standards on this basis. The result shows that it can reflect thoroughly the performance of the irrigation management and picture the level of irrigation management.It has the practical, maneuverable and popularization value.