The Effect of Acidification and Magnetic Field on Emitter Clogging under Saline Water Application

Khaled Ahmad Aali, Abdoulmajid Liaghat and Hossein Dehghanisanij

Journal of Agricultural Science, 2009, vol. 1, issue 1, 132

Abstract: Up to day, drip irrigation systems have reached to a high level of technology. But, these systems are not able to showtheir potential benefits, due to various reasons. Emitter clogging can affect distribution uniformity and the systemperformance, which has direct relationship with water quality. In this study five types of emitters with different nominaldischarges, with or without self-flushing system and with or without pressure compensating system were evaluatedunder three management schemes; untreated well water (S1), acidic treated water (S2) and magnetic treated water (S3)in order to reduce chemical clogging. Flow reduction rate, statistical uniformity coefficient (Uc), emission uniformitycoefficient (Eu) and variation coefficient of emitters’ performance in the field (Vf) were monitored. The emitterperformance indexes (Uc and Eu) decreased during the experiment due to emitter clogging. The Uc and Eu values indifferent management schemes confirmed that the acidification has better performance than the magnetic water in orderto control emitter clogging and keep high distribution uniformity. Regarding to Vf values, the priority of untreated andtreated water was as S2>S3>S1 for each emitter.

Date: 2009
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