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Performance evaluation of subsurface drainage system in Mallapur village of TBP command area

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The introduction of irrigated agriculture in the arid and semi-arid regions of India has resulted in the development of twin problems of waterlogging and salinity. The problems also occurred in the valley bottoms of the Tungabhadra Irrigation Project (TBP). The subsurface drainage system was installed at 40, 50 and 60 m drain spacing to reclaim the salt affected soils in an area of 50 ha in the farmers’ fields at Mallapur village, Sidhanur taluk, Karnataka. | Performance evaluation of subsurface drainage system in Mallapur village of TBP command area