Effects of Magnetized Water and Irrigation Water Salinity on Soil Moisture Distribution in Trickle Irrigation
Publication: Journal of Irrigation and Drainage Engineering
Volume 137, Issue 6
Abstract
Magnetized water is obtained by passing water through a strong permanent magnet installed in or on a feed pipeline. This study was performed at Gorgan Agricultural and Natural Resources Research Center, Gorgan province, Iran, to investigate soil moisture distribution under trickle irrigation. Two main treatments of magnetic and nonmagnetic water and three subtreatments of irrigation water salts, including well water as a control, 200-ppm calcium carbonate, and 400-ppm calcium carbonate were used. The experiment was laid out with a complete randomized block design with three replications. Soil moisture distribution around the emitters were measured 24 h after irrigation during the 3-month irrigation period. The results showed that the mean soil moisture contents at depths of 0–20, 20–40, and 40–60 cm below the emitter for the magnetized irrigation water treatment were more than the nonmagnetized irrigation water treatment, and the differences were significant at the 5% level. The irrigation with magnetic water as compared with the nonmagnetic water increased soil moisture up to 7.5%, and this increase was significant at the 1% level. The effect of irrigation water salinity on soil moisture was significant. The highest soil moisture content was from the 400-ppm calcium carbonate subtreatment. The use of magnetized water for irrigation is recommended to save irrigation water.
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Acknowledgments
This research was funded by Isfahan University of Technology and Gorgan Agricultural and Natural Resources Research Center. This assistance is gratefully acknowledged.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 137 • Issue 6 • June 2011
Pages: 398 - 402
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Jan 12, 2010
Accepted: Oct 1, 2010
Published online: Oct 22, 2010
Published in print: Jun 1, 2011
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