INVESTIGATION OF SOIL SATURATED HYDRAULIC CONDUCTIVITY CHANGES VIA IRRIGATION BY RAW AND TREATED DOMESTIC WASTEWATERS

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HASSANOGHLI A.; LIAGHAT A.; MIRABZADEH M.

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Journal: Year:2006 | Volume:11 | Issue:4 Page(s): 99-109

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Title

INVESTIGATION OF SOIL SATURATED HYDRAULIC CONDUCTIVITY CHANGES VIA IRRIGATION BY RAW AND TREATED DOMESTIC WASTEWATERS

Author(s)

HASSANOGHLI A. | LIAGHAT A. | MIRABZADEH M. | Issue Writer Certificate

Keywords

DOMESTIC WASTEWATERQ3

RAW WASTEWATERQ4

TREATED EFFLUENTQ4

IRRIGATIONQ2

LYSIMETERQ3

SOIL SATURATED HYDRAULIC CONDUCTIVITYQ4

Abstract

Reuse of DOMESTIC WASTEWATER and TREATED EFFLUENTs for agricultural IRRIGATION will cause the increase of some ions, salts and suspended solids (organic and mineral) to the soil. In this regard, the physical, chemical and biological characteristics of the soil will be affected. One of the most important physical parameters in this case is soil structure and the saturated hydraulic conductivity. Therefore, in order to investigate the effect of IRRIGATION with DOMESTIC WASTEWATER on saturated hydraulic conductivity (Ksat), a series of LYSIMETER studies were carried out. A statistical "factorial experiments in the form of randomized complete design" (3x3x3) was used. Raw and treated DOMESTIC WASTEWATER of Ekbatan housing complex and well water (as control) were applied as IRRIGATION water for raw edible vegetables such as parsley, carrot and tomato for a period of two years. Ksat was measured before starting and after the end of experiments by using constant head method. The results showed that Ksat of the soil was increased. The most changes were observed by RAW WASTEWATER application and parsley plantation, in amount of 53.2 mm/hr (the initial Ksat before IRRIGATION was 3.1 mm/hr). The statistical analysis showed a significant effect of the 3 source of waters applied and the kind of plants on Ksat at 1% level. By mean test results, the maximum increase of Ksat was occured by RAW WASTEWATER application, 11.8 times more than the initial values and followed by treated wastewaters and well water, being 7.6 and 5.2 times, respectively. As plants effect, the maximum increase was occured in LYSIMETERs with parsley plantation, 10.6 times and the minimum was for tomato and about 6 times in compare with the initial measured value of SOIL SATURATED HYDRAULIC CONDUCTIVITY (Ksat).

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APA: Copy

HASSANOGHLI, A., LIAGHAT, A., & MIRABZADEH, M.. (2006). INVESTIGATION OF SOIL SATURATED HYDRAULIC CONDUCTIVITY CHANGES VIA IRRIGATION BY RAW AND TREATED DOMESTIC WASTEWATERS. JOURNAL OF AGRICULTURAL SCIENCES, 11(4), 99-109. SID. https://sid.ir/paper/386182/en

Vancouver: Copy

HASSANOGHLI A., LIAGHAT A., MIRABZADEH M.. INVESTIGATION OF SOIL SATURATED HYDRAULIC CONDUCTIVITY CHANGES VIA IRRIGATION BY RAW AND TREATED DOMESTIC WASTEWATERS. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2006;11(4):99-109. Available from: https://sid.ir/paper/386182/en

IEEE: Copy

A. HASSANOGHLI, A. LIAGHAT, and M. MIRABZADEH, “INVESTIGATION OF SOIL SATURATED HYDRAULIC CONDUCTIVITY CHANGES VIA IRRIGATION BY RAW AND TREATED DOMESTIC WASTEWATERS,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 11, no. 4, pp. 99–109, 2006, [Online]. Available: https://sid.ir/paper/386182/en

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