THE INVESTIGATING OF THE EFFECTS OF SOIL’S TEXTURE AND DISCHARGE OF IRRIGATION WATER ON THE WATER INFILTRATION PATTERN FROM A POINT SOURCE

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PARVANAK BOROUJENI K.; FATAHI NAFCHI R.; MOUSAVI S.F.

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Journal: PLANT AND ECOSYSTEM Year:2007 | Volume:3 | Issue:10 Page(s): 86-101

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Title

THE INVESTIGATING OF THE EFFECTS OF SOIL’S TEXTURE AND DISCHARGE OF IRRIGATION WATER ON THE WATER INFILTRATION PATTERN FROM A POINT SOURCE

Author(s)

PARVANAK BOROUJENI K. | FATAHI NAFCHI R. | MOUSAVI S.F. | Issue Writer Certificate

Keywords

DRIP IRRIGATIONQ2

WETTING FRONTQ3

EMITTERQ3

Abstract

DRIP IRRIGATION is a good way to reduce wasting water and to use the water and soil nutrients in a better way. Being aware of the soil moisture distribution pattern under EMITTER is necessary to design and manage DRIP IRRIGATION system. Shape (diameter and depth of the wet soil) and the distribution pattern of the WETTING FRONT under EMITTER will be affected by soil properties (structure, texture, and hydraulic conductivity), strength, and also duration of water application.In this research, by making a physical model, the effects of three textures of sandy clay, sandy clay loam, and loamy sandy, four applied discharges of 1.5, 3, 6, and 9 lit/h, and five irrigation water volumes of 10, 20, 40, and 60 lit. on the distribution pattern of the WETTING FRONT under EMITTER have been investigated. The results of the research have shown that the raise in the EMITTER discharge has increased the wet surface of the WETTING FRONT; however, the increase pattern has been differently based on the soil texture. This means that, while the wet surface of the sandy clay has shown greater increase and has been more superficial than two other kinds of soil texture, the WETTING FRONT in the loamy sandy has got deeper (deeper and more narrow). So the discharge raise has increased the wet surface of the WETTING FRONT; however, for the lower discharges, with the same volume of the irrigation water, the WETTING FRONTs were deeper than those of the higher discharges. The distribution pattern of the WETTING FRONTs in sandy clay, sandy clay loam, and loamy sandy were half-elliptical, sagittal, and fine drawn WETTING FRONT, respectively for all applied discharges.The results of the research have also shown that the discharge increase will reduce the changes of the wet surface. For the discharges of 6 lit/h and more no considerable increase in the wet surface has been seen. So it is recommended that do not to use EMITTERs with the discharges of more than 6 lit/h.

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APA: Copy

PARVANAK BOROUJENI, K., FATAHI NAFCHI, R., & MOUSAVI, S.F.. (2007). THE INVESTIGATING OF THE EFFECTS OF SOIL’S TEXTURE AND DISCHARGE OF IRRIGATION WATER ON THE WATER INFILTRATION PATTERN FROM A POINT SOURCE. PLANT AND ECOSYSTEM, 3(10), 86-101. SID. https://sid.ir/paper/145449/en

Vancouver: Copy

PARVANAK BOROUJENI K., FATAHI NAFCHI R., MOUSAVI S.F.. THE INVESTIGATING OF THE EFFECTS OF SOIL’S TEXTURE AND DISCHARGE OF IRRIGATION WATER ON THE WATER INFILTRATION PATTERN FROM A POINT SOURCE. PLANT AND ECOSYSTEM[Internet]. 2007;3(10):86-101. Available from: https://sid.ir/paper/145449/en

IEEE: Copy

K. PARVANAK BOROUJENI, R. FATAHI NAFCHI, and S.F. MOUSAVI, “THE INVESTIGATING OF THE EFFECTS OF SOIL’S TEXTURE AND DISCHARGE OF IRRIGATION WATER ON THE WATER INFILTRATION PATTERN FROM A POINT SOURCE,” PLANT AND ECOSYSTEM, vol. 3, no. 10, pp. 86–101, 2007, [Online]. Available: https://sid.ir/paper/145449/en

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