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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(7): 4014-4020
DOI: https://doi.org/10.20546/ijcmas.2017.607.416


Impact of Subsurface Drainage System on Water Table and Soil Hydrologic Parameters
Rahul Patil1*, P. Balakrishnan1, U. Satish Kumar1, G.V. Srinivasa Reddy2,A.S. Channabasavanna2 and H. Rajkumar1
1Department of soil and water Engineering, CAE, UAS, Raichur, Karnataka, India
2Department of Agronomy, UAS, Raichur, Karnataka, India
*Corresponding author
Abstract:

A study was conducted to ensure the impact of subsurface drainage system on salt affected soils in the UKP command area, Karnataka. The in-situ hydraulic conductivity with average of 0.067 m d-1 before sowing, and improved slightly (14.92%) after the harvesting to 0.077 m d-1.The geometric mean estimates of areal hydraulic conductivity obtained with 90 per cent confidence limits ranged from 0.69 to 1.280 m d-1 (K) and 0.88 to 1.620 m d-1 (Kb). Further, the areas estimates of K were far greater (15 to 16 times) than the in-situ measurements of K. The infiltration rate was very low due to considerable amount of clay (32-41%) and it improved slightly (by 5.45%) due to SSD system after the harvesting (2.90 mm h-1) compared to that before sowing (2.75 mm h-1).The B: C ratio, NPV, IRR and payback period were1.55, Rs. 2, 20, 832, Rs.104 per cent and 2 for the life span of 50 years for SSD system respectively.


Keywords: Subsurface drainage, Hydraulic conductivity, Water table and Infiltration.
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How to cite this article:

Rahul Patil, P. Balakrishnan, U. Satish Kumar, G.V. Srinivasa Reddy, A.S. Channabasavanna and Rajkumar, H. 2017. Impact of Subsurface Drainage System on Water Table and Soil Hydrologic Parameters.Int.J.Curr.Microbiol.App.Sci. 6(7): 4014-4020. doi: https://doi.org/10.20546/ijcmas.2017.607.416