Investigating the Effect of Pressure on Water Leakage by Drip Irrigation without a Pump in Four Different Ejectors

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Khast M.; HESAM M.; HEZARJARIBI A.; Mohamadi O.

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Paper Information

Journal: Journal of Water and Soil Science Year:2020 | Volume:24 | Issue:1 Page(s): 213-224

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Title

Investigating the Effect of Pressure on Water Leakage by Drip Irrigation without a Pump in Four Different Ejectors

Author(s)

Khast M. | HESAM M. | HEZARJARIBI A. | Mohamadi O. | Issue Writer Certificate

Keywords

Irrigation kitQ1

Drip irrigationQ2

DischargeQ2

Uniformity factorQ1

Abstract

Due to the increasing number of small crops, the system of irrigation without a pump can be an economical way. Therefore, in this research, the effects of the type of droplet and the height of water supply system utilization on the characteristics of water distribution (Discharge, dispersion uniformity coefficient (CU) and coefficients of variation of Discharge) were investigated. In this research, the pressure functions of 1, 2, 3 and 4 meters and three irrigation repeats were investigated; also, the Discharge characteristics of jet pots of 2 and 8 nozzles, easy dripper and netafim were addressed. The results indicated that at 1 m pressure, drippers of pots of 2 and 8 nozzles with the uniformity coefficients of distribution were equal to 89. 39 and 99. 30%, and the Discharge rate was 3. 60 and 3. 62 liters per hour at a pressure of 2 m. An easy-drain drip with a Discharge rate of 3. 85 L / h and a uniform distribution of 99. 44%, at a height of 3 and 4 m, the droplets of the netafim with an outlet Discharge were 3. 87 and 3. 97 liters per hour and the uniformity coefficients of 99. 32 and 99. 47 percent had the best broadcast conditions. According to these significant differences (P <0. 05), it can be concluded that at pressures less than 2 m of jar droplets and at more than 3 m, netafim and Easy Dipper types could have better leakage due to pressure regulators. In general, each of the four types of emitters produced a uniform dispersion and the optimum Discharge at different pressures.

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APA: Copy

Khast, M., HESAM, M., HEZARJARIBI, A., & Mohamadi, O.. (2020). Investigating the Effect of Pressure on Water Leakage by Drip Irrigation without a Pump in Four Different Ejectors. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 24(1 ), 213-224. SID. https://sid.ir/paper/364632/en

Vancouver: Copy

Khast M., HESAM M., HEZARJARIBI A., Mohamadi O.. Investigating the Effect of Pressure on Water Leakage by Drip Irrigation without a Pump in Four Different Ejectors. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2020;24(1 ):213-224. Available from: https://sid.ir/paper/364632/en

IEEE: Copy

M. Khast, M. HESAM, A. HEZARJARIBI, and O. Mohamadi, “Investigating the Effect of Pressure on Water Leakage by Drip Irrigation without a Pump in Four Different Ejectors,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 24, no. 1 , pp. 213–224, 2020, [Online]. Available: https://sid.ir/paper/364632/en

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