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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(5): 1926-1933
DOI: https://doi.org/10.20546/ijcmas.2019.805.223


Spatial and Temporal Variation of Soil Water Movement Modeling under Line Source Dripper
R. Rahul1* and M. Manikandan2
1Department of Soil and Water Conservation Engineering
2Department of Irrigation and Drainage Engineering, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Kumulur - 621712, Trichy, India
*Corresponding author
Abstract:

An attempt was made to study the soil water movement under two type of plastic mulch (black and white) with drip irrigated eggplant on a line source dripper. Both spatial and temporal variation of wetting pattern was determined in sandy loam soil using surfer 15 software. The layout of the experiment was three treatments tested, black mulched drip irrigation (BM+DI), white mulched drip irrigation (WM+DI) and drip irrigation without mulching. The results of the study indicated that DI + BM and DI + WM treatments distinctly decreased water applied in the order of DI + WM < DI + BM < DI. Therefore, drip irrigation in combination with plastic mulch especially black mulch to be more effective irrigation method while may help to improve water use efficiency and yield of eggplant. Exponential, Linear, Logarithmic, polynomial and power model were fitted to horizontal and vertical water movement for different time intervals. The result showed that power and polynomial model with R2 value equal to 0.9832 and 0.9804 was the best fitting model in predicting horizontal and vertical water movement. The results from this study will be useful in addressing the most challenging issues like selection of emitter flow rate, dripper spacing based on water requirement of crop and designing the entire drip irrigation system.


Keywords: Water distribution, Wetted width, Wetted radius, Drip irrigation, Surfer
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How to cite this article:

Rahul, R. and Manikandan, M. 2019. Spatial and Temporal Variation of Soil Water Movement Modeling under Line Source Dripper.Int.J.Curr.Microbiol.App.Sci. 8(5): 1926-1933. doi: https://doi.org/10.20546/ijcmas.2019.805.223