ESTIMATING SOIL MOISTURE PATTERN IN SUBSURFACE DRIP IRRIGATION USING DIMENSIONAL ANALYSIS METHOD

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MOLAEI KANDOLOUS M.; LIAGHAT A.A.M.; ABBASI FARIBORZ

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Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2008 | Volume:39 | Issue:2 Page(s): 371-378

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Title

ESTIMATING SOIL MOISTURE PATTERN IN SUBSURFACE DRIP IRRIGATION USING DIMENSIONAL ANALYSIS METHOD

Author(s)

MOLAEI KANDOLOUS M. | LIAGHAT A.A.M. | ABBASI FARIBORZ | Issue Writer Certificate

Keywords

SUBSURFACE DRIP IRRIGATIONQ3

WETTING PATTERNQ3

EMPIRICAL MODELQ3

Abstract

Water Scarcity in arid and semi-arid regions is the major concern for water and agricultural authorities. To confront this problem, high performance irrigation systems, such as drip irrigation and or SUBSURFACE DRIP IRRIGATION, are recommended. In designing a SUBSURFACE DRIP IRRIGATION system for row crops, geometry and dimension of wetted volume are the main factors needed for determining laterals' installation depth as well as emitters' spacings. For this purpose several models were developed to demonstrate a good prediction of WETTING PATTERN using emitter discharge, volume of applied water and hydraulic properties of soil. In this paper dimensional analysis method, developed by Singh et al. (2006) was employed due to its simplicity and less input data requirement. Measured data of WETTING PATTERN under SUBSURFACE DRIP IRRIGATION system (Z+, Z- and W, lower, upper and horizontal displacement, respectively) in a clay loam soil with 30 cm emitter depth were compared with output data estimated through the model. A good agreement (R2 = 0.97, 0.99 and 0.97 for z+, z- and r, respectively.) was obtained between measured and estimated data.

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APA: Copy

MOLAEI KANDOLOUS, M., LIAGHAT, A.A.M., & ABBASI, FARIBORZ. (2008). ESTIMATING SOIL MOISTURE PATTERN IN SUBSURFACE DRIP IRRIGATION USING DIMENSIONAL ANALYSIS METHOD. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 39(2), 371-378. SID. https://sid.ir/paper/8510/en

Vancouver: Copy

MOLAEI KANDOLOUS M., LIAGHAT A.A.M., ABBASI FARIBORZ. ESTIMATING SOIL MOISTURE PATTERN IN SUBSURFACE DRIP IRRIGATION USING DIMENSIONAL ANALYSIS METHOD. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2008;39(2):371-378. Available from: https://sid.ir/paper/8510/en

IEEE: Copy

M. MOLAEI KANDOLOUS, A.A.M. LIAGHAT, and FARIBORZ ABBASI, “ESTIMATING SOIL MOISTURE PATTERN IN SUBSURFACE DRIP IRRIGATION USING DIMENSIONAL ANALYSIS METHOD,” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 39, no. 2, pp. 371–378, 2008, [Online]. Available: https://sid.ir/paper/8510/en

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