PHYSICAL CHEMICAL PROPERTIES OF WATERLOGGED VERTISOLS UNDER SUBSURFACE DRAINAGE SYSTEM

M. PUNITHA¹*, R. RAJENDRAN^2
1Department of Land and Water Management Engineering, Agricultural Engineering College and Research Institute, Kumulur, Trichy, 621712, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
²Department of Land and Water Management Engineering, Agricultural Engineering College and Research Institute, Kumulur, Trichy, 621712, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
* Corresponding Author : puni.dec20@gmail.com

Received : 03-01-2018     Accepted : 19-01-2018     Published : 30-01-2018
Volume : 10     Issue : 2       Pages : 5039 - 5041
Int J Agr Sci 10.2 (2018):5039-5041

Keywords : Subsurface drainage, Waterlogging, Physical Properties, Chemical Properties, Nutrient Availability
Academic Editor : Dr Bhav Kumar Sinha
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Department of Land and Water Management Engineering, Agricultural Engineering College and Research Institute, Kumulur, Trichy, 621712, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
Author Contribution : All author equally contributed

Water logging and salinity have become the major problem which contributed for irrigated areas in Aduthurai. The magnitude of the problem can be indicated by the millions of hectares of agricultural land have been facing this twin problem of waterlogging and salinity. Induced salinity is a common problem in many command areas of irrigation projects. Subsurface drainage is the next level of logical step towards improving water management and reducing the environmental impact on subsurface drainage flow. Pre-investigation of the experimental area was done in aspect of physio chemical properties of field soil and irrigation water. Steady state Hooghoudt equation was used for the design of subsurface drainage system. The experiment was carried out during 2016, with respect to sixteen treatment combinations consisting of four drain spacings of 7, 10, 13 and 16 m and two drain depths 60 and 80 cm and drain diameter installed at 63 and 75 mm to study the performance of subsurface drainage system based on changes in physio chemical characteristics. Considering the economics of different combinations of drain spacing and drain depths, the drain spacing of 7 m and drain depth of 80 cm were found optimal for economically feasible production of rice and optimum physio chemical properties of drained water concentration was increased in most of the waterlogged Vertisols of Aduthurai

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