Optimizing the use of water resources is inevitable due to water shortages in agricultural areas. Pistachio gardening has been an attractive agricultural activity for several decades in Iran. Given the limited water resources, areas under pistachio cultivation in arid regions are not economical due to low production. There has been a continuous trend towards application of efficient irrigation systems such as pressurized subsurface drip irrigation methods, but their complexity and high initial investment, make them less suitable for small scale and scattered owners. This research describes the field performance of a very low-pressure subsurface irrigation method which has been introduced before (Dastorani et al., 2010). In this subsurface porous pipe irrigation system, water is delivered directly to the pistachio tree’s roots via perforated PVC pipes covered by plastic textile sleeves. The feasibility of this system has been demonstrated for irrigating pistachio orchards. They compared the effect of traditional (surface) irrigation and such subsurface irrigation method on crop yield and annual growth traits. Their results showed that subsurface irrigation method had relatively higher performance than the surface method. To accurately design such a system, it is necessary to assess the time variations of irrigation parameters including lateral infiltration q (leakage flow rate per unit length), local water pressure along laterals Px in terms of input water flow rate If , and pipe orifice density n, as it is the subject of this research.
Aliakbari, A. and Zand-Parsa, Sh., 2017. Effect of different irrigation levels on the growth and yield of Pistachio in Anar city, Kerman province. Journal of Irrigation Science and Engineering, 40(3), pp.123-136. (In Persian).
Ashrafi, N., Gheysari, M., Maleki, A. and Nikbakht, A., 2015. Effect of irrigation with reclaimed water on fruit characteristics and photosynthesis of olive trees under two irrigation systems. Journal ofWater and Soil, 29(3), pp.569-577. (In Persian).
Dastorani, M.T., Heshmeti, M. and Sadeghzadeh, M.A., 2010. Evaluation of the efficiency of surface and subsurface irrigation in dry land environments. Irrigation and Drainage, 59(2), pp.129-137.
Farzam Nia, M. and Haghayeghi Moghadam, S.S., 2010. The clogging of some available emitters in Iran when using saline water. Journal of Irrigation Science and Engineering, 32(1), pp.17-25. (In Persian).
Goldhamer, D., Michailids, T. and Morgan, D., 2002. Buried drip irrigation reduces fungal disease in pistachio orchards, California Agriculture, 56 (4), pp.133-138.
Karimi, O., Hooshmand, A. and BoroomandNasab, S., 2015. The Chemical clogging and its effects on hydraulic performance of different types of emitters with different flow rates using water of Karoun river. Journal of Irrigation Science and Engineering, 38(3), pp.73-87. (In Persian).
Lanjabi, M., Tabatabaei, S.H., Fattahi, R. and Nori, M.R., 2010. Effect of using geotextile envelope on soil wetting pattern in subsurface drip irrigation. Iranian Journal of Irrigation and Drainage, 4(1), pp.109-117. (In Persian).
Mohammedian, M., Gheysari, M., Fazel, F. and Etemadi, N., 2016. Investigation of root clogging for different inline dripper under subsurface drip irrigation of grass. Iranian Journal of Water and Soil Research, 47(3), pp.529-537. (In Persian).
Sedaghati, N., Hosseinifard, S.J. and Mohammadi Mohammadabadi, A., 2012. Comparing effects of surface and subsurface drip irrigation systems on growth and yield on mature pistachio trees. Journal of Water and Soil, 26(3), pp.575-585. (In Persian).
Sohrabi, T. and Gazori, N., 1997. Subsurface irrigation with porous pipe. Iranian Journal of Agricultural Science, 28(3), pp.145-156. (In Persian).
Suarez-Rey, E.M., Choi, C.Y., McCloskey, W.B. and Kopec, D.M., 2006. Effects of chemicals on root intrusion into subsurface drip emitters. Irrigation and Drainage, 55(5), pp.501-505.
Taheri, M.,Taheri, M., Abbasi, M., Mostafavi, K. and Vahedi, S., 2017. Patterns of soil salinity and sodium under surface and subsurface drip irrigation in olive trees. Journal of Irrigation and Water Engineering, 7(2), pp. 127-141. (In Persian).
Thompson, T., Huang-Cheng, L.P. and Yu-Yi, , 2009. The potential contribution of subsurface drip irrigation to water-saving agriculture in the western USA. J. Agricultural Science in China, 8(7), pp.850-854.
Zamani, S. and Fattahi, R., 2019. Investigating on the orifices outflow with different diameters and envelops in the subsurface irrigation system. Journal of Irrigation and Water Engineering, 7(2), pp.127-141. (In Persian).
Sadeghzadeh, M. A., & Malekinezhad, H. (2022). Assessment of the pressure and discharge rate variations along the perforated lateral pipes of novel subsurface irrigation system. Irrigation Sciences and Engineering, 45(1), 85-97. doi: 10.22055/jise.2021.36492.1955
MLA
Mohammad Ali Sadeghzadeh; Hossein Malekinezhad. "Assessment of the pressure and discharge rate variations along the perforated lateral pipes of novel subsurface irrigation system". Irrigation Sciences and Engineering, 45, 1, 2022, 85-97. doi: 10.22055/jise.2021.36492.1955
HARVARD
Sadeghzadeh, M. A., Malekinezhad, H. (2022). 'Assessment of the pressure and discharge rate variations along the perforated lateral pipes of novel subsurface irrigation system', Irrigation Sciences and Engineering, 45(1), pp. 85-97. doi: 10.22055/jise.2021.36492.1955
VANCOUVER
Sadeghzadeh, M. A., Malekinezhad, H. Assessment of the pressure and discharge rate variations along the perforated lateral pipes of novel subsurface irrigation system. Irrigation Sciences and Engineering, 2022; 45(1): 85-97. doi: 10.22055/jise.2021.36492.1955
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