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Information Journal Paper

Title

Performance Evaluation of Some Drip Irrigation System (Case Study: Sonqor city(

Pages

  129-140

Abstract

 In this study, 8 drip irrigation systems were evaluated. In every system, an operating manifold was selected and its four laterals including the first, a third, two-thirds and the last one was evaluated. Discharge of 8 emitters per lateral, the first and the last pressure, and the minimum inlet pressure of the lateral were measured. The results showed that the discharge of 87. 5% emitters were significantly lower than their nominal discharge, due to low pressure, and physical, chemical and algal blocking. In 12. 5% of the emitters, the average discharge rates were 10% higher than the nominal discharge. Uniformity of water application, the potential efficiency of low quarter and application efficiency of low quarter of all systems were poor. The average of emission uniformity, the efficiency reduction factor, potential efficiency of low quarter and the application efficiency of low quarter of the systems were calculated as 38. 6, 71. 5, 34. 73 and 38. 6%, respectively. Assessments showed that the major problems of most drip irrigation systems were manipulation of emitters, the blockage of pipes and emitters, heterogeneity of pressure and non-uniform distribution of water, and the user’ s lack of knowledge and skills due to traditional attitudes of gardeners, designers and executers. Despite the importance of different filtrations in drip irrigation and the use of new accessories, gardeners usually don't care about the completeness and proportionality of filters with the discharge and the loss and leakage due to the improper maintenance of systems.

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  • Cite

    APA: Copy

    Baqerkhani, A., & ZARE ABYANEH, H.. (2019). Performance Evaluation of Some Drip Irrigation System (Case Study: Sonqor city(. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), 29(2 ), 129-140. SID. https://sid.ir/paper/397249/en

    Vancouver: Copy

    Baqerkhani A., ZARE ABYANEH H.. Performance Evaluation of Some Drip Irrigation System (Case Study: Sonqor city(. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE)[Internet]. 2019;29(2 ):129-140. Available from: https://sid.ir/paper/397249/en

    IEEE: Copy

    A. Baqerkhani, and H. ZARE ABYANEH, “Performance Evaluation of Some Drip Irrigation System (Case Study: Sonqor city(,” WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), vol. 29, no. 2 , pp. 129–140, 2019, [Online]. Available: https://sid.ir/paper/397249/en

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