ESTIMATION OF SODIUM ADSORPTION RATIO IN DRAINED WATER USING CHEMICAL COMPOSITION OF IRRIGATION WATER IN QUASI STEADY STATE CONDITIONS

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HASHEMINEJHAD Y.; GHANE F.

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Journal: Journal of Water Research in Agriculture Year:2011 | Volume:25 | Issue:1 Page(s): 67-74

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Information Journal Paper

Title

ESTIMATION OF SODIUM ADSORPTION RATIO IN DRAINED WATER USING CHEMICAL COMPOSITION OF IRRIGATION WATER IN QUASI STEADY STATE CONDITIONS

Author(s)

HASHEMINEJHAD Y. | GHANE F. | Issue Writer Certificate

Keywords

SODIUM ADSORPTION RATIOQ2

IRRIGATION WATERQ2

DRAINAGE WATERQ2

LYSIMETERQ2

ALFALFAQ3

Abstract

Different types of equations have been proposed to predict the SODIUM ADSORPTION RATIO (SAR), in DRAINAGE WATER. These empirical equations are tested here against the data of a lysimetric study to verify their validity. To obtain the basic relationships, a set of 116 water chemical analysis throughout Iran including river water, groundwater, and DRAINAGE WATER was used. Also, a set of 30 DRAINAGE WATER analyses was used for which precise measurements of irrigation and DRAINAGE WATER quality and quantities were available through a lysimetric experiment. Cylindrical LYSIMETERs with internal diameter of 40 cm and height of 180 cm were filled with a sandy loam soil and irrigated weekly with natural water. ALFALFA was grown in the columns for a period of 3 years. Simple correlations between IRRIGATION WATER SAR (SARiw) and SARdw yielded very poor regression coefficient (R2= 0.108). While steady state assumption i.e. concentrations being in direct proportion to 1/LF, could reasonably predict SARdw (R2=0.802), despite some variations in LF during the season. This correlation is comparable with more complex methods recently proposed.

Cites

EVALUATION OF WATSUIT MODEL FOR PREDICTION OF ALFALFA'S ROOT ZONE SALT DISTRIBUTION PATTERN

References

INTRODUCING AN APPROPRIATE PACKING METHOD IN DISTURBED SOIL COLUMNS AND ITS VERIFICATION TO ACHIEVE A HOMOGENEOUS POROUS MEDIA

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APA: Copy

HASHEMINEJHAD, Y., & GHANE, F.. (2011). ESTIMATION OF SODIUM ADSORPTION RATIO IN DRAINED WATER USING CHEMICAL COMPOSITION OF IRRIGATION WATER IN QUASI STEADY STATE CONDITIONS. IRANIAN JOURNAL OF WATER RESEARCH IN AGRICULTURE (FORMERLY SOIL AND WATER SCIENCES), 25(1), 67-74. SID. https://sid.ir/paper/196847/en

Vancouver: Copy

HASHEMINEJHAD Y., GHANE F.. ESTIMATION OF SODIUM ADSORPTION RATIO IN DRAINED WATER USING CHEMICAL COMPOSITION OF IRRIGATION WATER IN QUASI STEADY STATE CONDITIONS. IRANIAN JOURNAL OF WATER RESEARCH IN AGRICULTURE (FORMERLY SOIL AND WATER SCIENCES)[Internet]. 2011;25(1):67-74. Available from: https://sid.ir/paper/196847/en

IEEE: Copy

Y. HASHEMINEJHAD, and F. GHANE, “ESTIMATION OF SODIUM ADSORPTION RATIO IN DRAINED WATER USING CHEMICAL COMPOSITION OF IRRIGATION WATER IN QUASI STEADY STATE CONDITIONS,” IRANIAN JOURNAL OF WATER RESEARCH IN AGRICULTURE (FORMERLY SOIL AND WATER SCIENCES), vol. 25, no. 1, pp. 67–74, 2011, [Online]. Available: https://sid.ir/paper/196847/en

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