Discussion of Difficulties or Problems in Calculation and Analysis of Water Efficiency of Irrigation

摘要

The water efficiency of irrigation is a main index that measures the farm water use efficiency, because of many factors affecting the calculation and analysis, a lot of difficulties or problems have been met. This paper is based on the work of the calculation and analysis of irrigation water use coefficient in Hangzhou, the difficulties or problems met in actual work have been analyzed, the constructive recommendations or measures have been given changing concepts and strengthening technology force should be the key that the reliability result of calculation and analysis will be advanced.