Studies on the Influential Factors in Other to Increase Efficiency of Furrow Irrigation in Relation to Water Crisis
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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ICWR01_123
تاریخ نمایه سازی: 15 آذر 1388
Abstract:
Drought and water crisis (especially in recent years) has covered a vast part of Iran and caused a great concern among the farmers and officials. In order to solve this problem, few strategies can be suggested. Taking long-term decision for increasing should the efficincy of irrigation is strongly suggested. At the same time ways in which the customized irrigation is optimized must be studied. An old way of irrigation in the country in large scale has been furrow irrigation that unfortunately no attempt has been made to optimize this method. Different designs for furrow irrigation are offered the most important of them are: 1- S.C.S method, 2- F.A.O method, and 3- walker and skogerbo method. The present study is offering a design method that is suited according to environmental conditions and the results obtained from this study. Attempt was made to identify the efficient length of the furrow. Keeping these in mind, a study field in Amirabad farm of college of Agriculture at Birgand University was chosen. Because in furrow irrigation the slop for land leveling slope distribution is very important, preparing the land and leveling was carefully done. Research on the, soil infiltration (Double ring and input - output methods), advancing time and delaying time and measuring furrow cross section in different steps of the study.
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Authors
A. shahidi
Assistant Professor ,Drainage and Irrigation Engineering, Faculty of Agriculture, University of Birjand
M.j. Nahvinia
M.Sc. Student, Drainage and Irrigation Engineering, University of Tehran
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