STUDY OF THE EFFECTS OF IRRIGATION WATER TURBIDITY ON PHYSICAL AND HYDRAULIC PROPERTIES OF SOILS

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SALAMATI N.; MOAZED H.

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Journal: AGRICULTURAL RESEARCH Year:2008 | Volume:8 | Issue:1 (B) Page(s): 113-123

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Title

STUDY OF THE EFFECTS OF IRRIGATION WATER TURBIDITY ON PHYSICAL AND HYDRAULIC PROPERTIES OF SOILS

Author(s)

SALAMATI N. | MOAZED H. | Issue Writer Certificate

Keywords

WATER TURBIDITYQ3

INFILTRATION RATEQ3

HYDRAULIC CONDUCTIVITYQ2

POROSITYQ3

Abstract

Turbidity is the most important physical characteristic of water. It is due to the presence of suspended and colloidal particles in water. turbidity of irrigation water affects the hydraulic and physical properties of soils, including INFILTRATION RATE, HYDRAULIC CONDUCTIVITY and POROSITY. Such parameters are important designing irrigation and drainage systems, hydrological studies and water resources management. The main objective of the present study was to asses the effects of WATER TURBIDITY on the physical and hydraulic properties of soil such as INFILTRATION RATE, saturated HYDRAULIC CONDUCTIVITY and POROSITY. To perform the study, 48 pvc tubes each with a diameter of 10 cm and a height of 120 cm were prepared the tubes were filled with soils of light, medium and heavy textures to the height of 90 cm. The tubes were irrigated with irrigation water having turbidities of 0, 1000, 2000 and 3000 NTU. After 2 months of irrigation, halh of the tubes and after 4 months of irrigation, the second half of the tubes were cut in 3 equal sections namely, A, B and C. Then the physical and hydraulic parameters of the A, B and C sections were measured according to the standard methods. The results of the statistical analysis showed that the effects of time, WATER TURBIDITY and soil type on the final INFILTRATION RATE and the saturated HYDRAULIC CONDUCTIVITY of the soils were significant at P: S .01. The results also indicated that custom opposite in the different soil texture HYDRAULIC CONDUCTIVITY on down fragment more than middle fragment. The case of matters with fill pore up fragment by suspended and colloidal particles in water and nonexistence arrived suspended and colloidal particles in the down fragment also increase water exit velocity in down fragment The case of existence natural dranaige under down fragment performance.

Cites

EFFECT OF IRRIGATION WATER SALINITY WITH CONSTANT TURBIDITY ON SOIL MOISTURE CHARACTERISTIC CURVE

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APA: Copy

SALAMATI, N., & MOAZED, H.. (2008). STUDY OF THE EFFECTS OF IRRIGATION WATER TURBIDITY ON PHYSICAL AND HYDRAULIC PROPERTIES OF SOILS. AGRICULTURAL RESEARCH, 8(1 (B)), 113-123. SID. https://sid.ir/paper/84768/en

Vancouver: Copy

SALAMATI N., MOAZED H.. STUDY OF THE EFFECTS OF IRRIGATION WATER TURBIDITY ON PHYSICAL AND HYDRAULIC PROPERTIES OF SOILS. AGRICULTURAL RESEARCH[Internet]. 2008;8(1 (B)):113-123. Available from: https://sid.ir/paper/84768/en

IEEE: Copy

N. SALAMATI, and H. MOAZED, “STUDY OF THE EFFECTS OF IRRIGATION WATER TURBIDITY ON PHYSICAL AND HYDRAULIC PROPERTIES OF SOILS,” AGRICULTURAL RESEARCH, vol. 8, no. 1 (B), pp. 113–123, 2008, [Online]. Available: https://sid.ir/paper/84768/en

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