Assessment of irrigation practices at the tertiary canal level in an improved system—a case study of Wasat area, the Nile Delta

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• 作者：A. Mohsen Aly (1) (2)
  Y. Kitamura (3)
  K. Shimizu (3)
  
• 关键词：Improved irrigation ; Tertiary canal ; Water delivery performance ; Water user association ; Nile Delta
• 刊名：Paddy and Water Environment
• 出版年：2013
• 出版时间：4 - January 2013
• 年：2013
• 卷：11
• 期：1
• 页码：445-454
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• 作者单位：A. Mohsen Aly (1) (2)
  Y. Kitamura (3)
  K. Shimizu (3)
  
  1. The United Graduate School of Agricultural Sciences, Tottori University, 4-101 Koyama-cho Minami, Tottori, 680-8553, Japan
  2. National Water Research Center, Delta Barrage, 13621, Egypt
  3. Faculty of Agriculture, Tottori University, 4-101 Koyama-cho Minami, Tottori, 680-8553, Japan
  
• ISSN：1611-2504

文摘

Egypt faces great challenges due to its limited water resources by enforcement policies to improve the performance of the existing delivery system and its development. The improvement of irrigation systems in the Nile Delta is one of the most important attempts in Egypt to implement more effective irrigation technologies. This study was carried out to evaluate improved tertiary canal level and farmers-practices by comparing with other unimproved systems to understand the farmers-practices in their farms after modifying the existing irrigation system. This study area applied to the Wasat command area’s most commonly used to the cultivation of a paddy field in Egypt, which contributes 40?% of production. The overall results indicate that the water-use application at the improved system level improved. This was due to the role of water user association in the successful management and operation of the water-supply system on the private level of water distribution network. So, water users-association has the positive effect on managing of the improved tertiary canal. Although, there are main problems of water delivery in the irrigation networks that was a water shortage in the main canal owing to its location at the tail of the feeder canal system in the Nile Delta, and other reasons include the absence of crop production planning by farmers, especially rice farmers in summer, and the greater demand of some fields than supply.