Rising water table: A threat to sustainable agriculture in an irrigated semi-arid region of Haryana, India

Ajay Singh, Peter Krause, Sudhindra N. Panda and Wolfgang-Albert Flugel

Agricultural Water Management, 2010, vol. 97, issue 10, 1443-1451

Abstract: The sustainability of the rice-wheat cropping system in an irrigated semi-arid area of Haryana State (India) is under threat due to the continuous rise in the poor quality groundwater table, which is caused by the geo-hydrological condition and poor irrigation water management. About 500,000Â ha in the State are waterlogged and unproductive and the size of the waterlogged area is increasing. We analyse the hydrology and estimate seasonal net groundwater recharge in the study area. Rainfall is quite variable, particularly in the monsoon season, and the mean monthly reference evapotranspiration shows a high inter-annual variation, with values between 2.45 and 8.47Â mm/day in December and May. Groundwater recharge analysis during the study period (1989-2008) reveals that percolation from irrigated fields is the main recharge component with 57% contribution to the total recharge. An annual groundwater table rise of 0.137Â m has been estimated for the study area. As the water table has been rising continuously, suitable water management strategies such as increasing groundwater abstraction by installing more tubewells, using the groundwater conjunctively with good quality canal water, changes in cropping patterns, adoption of salt tolerant crops, changes in water-pricing policy, and matching water supply more closely with demand, are suggested to bring the water table down to a safe limit and to prevent further rising of the water table.

Keywords: Water; management; Groundwater; recharge; Waterlogging; Water; balance; Green; Revolution (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (10)

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