Design of level-basin irrigation systems for robust performance

Published on Mar 1, 2013in Journal of Irrigation and Drainage Engineering-asce1.34
· DOI :10.1061/(ASCE)IR.1943-4774.0000535
J. Mohan Reddy3
Estimated H-index: 3
(IWMI: International Water Management Institute)
AbstractA well-designed level basin irrigation system is easy to manage and has significant potential for achieving high application efficiency and improved salinity control, particularly when the field is laser-leveled. Over the years, three different criteria have arisen to design level basin irrigation systems. These are the volume-balance design criterion proposed by the Soil Conservation Service of the USDA, the limiting length design criterion, and the completion-of-advance design criterion. For achieving a performance that is close to the design performance, in addition to proper design, a well-defined irrigation schedule must be followed such that the soil moisture deficit at the time of irrigation is close to the design depth. The actual overall performance of a level basin irrigation system will otherwise be lower than the design performance. Using a mathematical simulation model, the performance of a level basin designed using the completion-of-advance design approach was found to be robust rel...
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