SOLUTE TRANSPORT IN A SALINE SOIL USING BROMIDE TRACER UNDER THREE CONJUNCTION IRRIGATION SCHEMES

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RAIESI T.; TABATABAEI S.H.; BEIGI HARCHEGANI H.

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Journal: Iranian Journal of Irrigation and Drainage Year:2011 | Volume:4 | Issue:3 Page(s): 387-396

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Title

SOLUTE TRANSPORT IN A SALINE SOIL USING BROMIDE TRACER UNDER THREE CONJUNCTION IRRIGATION SCHEMES

Author(s)

RAIESI T. | TABATABAEI S.H. | BEIGI HARCHEGANI H. | Issue Writer Certificate

Keywords

CONJUNCTION IRRIGATION STRATEGYQ3

SOLUTE TRANSPORTQ2

SALINE CONDITIONSQ2

BROMIDE TRACER AND LYSIMETERQ3

Abstract

Solute transport under SALINE CONDITIONS is of great interest. In this research, bromide transport in a saline soil's profile under three conjunction irrigation schemes using fresh and/or saline water was analyzed. Nine 0.7×2×1 m lysimeters filled with a saline clay soil from Segzi region of Esfahan province were used. Three conjunction strategy of fresh (1 dS m-1) and saline (14 dS m-1) water namely: blending, one-alternate and halfalternate were applied in a completely randomized design with three replicates. An equivalent of 30 g pure potassium bromide per m-2 was disssoloved in water and was uniformly applied onto top of each lysimeter followed by an 1.5 cm irrigation with fresh water. On eight sampling dates, following eight irrigation events, each lysimeter, s soil was sampled from seven depths. Results showed that, in most of the sampling dates, onealternate treatment caused more bromide leaching from soil surface layer (0- 10 cm) than the other two treatments. Therefore, one-alternate strategy may wash more salts from soil surface. Blending caused less bromide concentration in 0-25 cm depth. However, examination of the area under bromide profile revealed that the total remained bromide under blending treatment was lower than those under the other two treatments. Thus, blending of fresh and saline waters may cause greater leaching of bromide and probably greater leaching of other solutes past the lower boundary of soil profile.

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APA: Copy

RAIESI, T., TABATABAEI, S.H., & BEIGI HARCHEGANI, H.. (2011). SOLUTE TRANSPORT IN A SALINE SOIL USING BROMIDE TRACER UNDER THREE CONJUNCTION IRRIGATION SCHEMES. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 4(3), 387-396. SID. https://sid.ir/paper/131498/en

Vancouver: Copy

RAIESI T., TABATABAEI S.H., BEIGI HARCHEGANI H.. SOLUTE TRANSPORT IN A SALINE SOIL USING BROMIDE TRACER UNDER THREE CONJUNCTION IRRIGATION SCHEMES. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2011;4(3):387-396. Available from: https://sid.ir/paper/131498/en

IEEE: Copy

T. RAIESI, S.H. TABATABAEI, and H. BEIGI HARCHEGANI, “SOLUTE TRANSPORT IN A SALINE SOIL USING BROMIDE TRACER UNDER THREE CONJUNCTION IRRIGATION SCHEMES,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 4, no. 3, pp. 387–396, 2011, [Online]. Available: https://sid.ir/paper/131498/en

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