2012•Shandong Nongye Daxue xuebaoRequires access
CHINA TYPICAL IRRIGATION DISTRICT INVESTIGATION AND ANALYSIS ON WATER IRRIGATION COEFFICIENT
Xu Li
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Abstract
This paper was collected and evaluated the work on the study of irrigation efficiency,and investigated the irrigation efficiency in different regions,under different climate conditions and for different water utilization level.Then a typical irrigation area was chosen to carry out the investigation of irrigation efficiency in our country.The relationship of irrigation efficiency(including the water efficiency of canal system) local economy,water utilization condition,the type and scale of crops,the groundwater level and climate conditions etc.were summarized.The results showed that currently the comprehensive method was the most reasonable measuring-calculation method for irrigation efficiency.It also showed that the irrigation efficiency in most irrigation area in our country had not reached the stipulation standard and the enhancing measures should be taken.