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- W2898572248 abstract "Rainfed areas in the country still account for 60 per cent of the cultivated area and are home to majority of rural poor and marginal farmers. Repeated droughts and erratic rainfall have severely affected the livelihood of rural people. The irrigation sector will also likely to be strongly affected by climate change for the predicted increased variability in precipitation (Palanisami, 2010). It is well documented in the literature that irrigation plays the vital role in improving the yield or productivity in the agricultural sector and the impact of irrigation on reducing poverty is striking (Roy, 2006; Balasubramanian and Selvaraj, 2003; Anbumozhi et al., 2007). Among the irrigation sources, tank irrigation is considered important as it can play a very critical role in the sustainable irrigation development particularly in the dry zones. Tank means a small scale surface reservoir deriving the inflows mainly from rainfall run-off. Tanks can have a wider geological distribution than large-scale projects. Tank investments tend to be less capital intensive, have fewer negative environmental impacts and can provide variety of livelihood options to the rural people. In spite of the advantages, the development of tank irrigation deteriorated in almost every state in India. The main causes of degradation of traditional methods like tanks are as follows: (i) Introduction of new technology like drilling methods enabling larger volumes of water to be lifted per unit of time, (ii) Weakening community cooperation, (iii) Government policy emphasising more convenient systems of centralised storage arrangements in the form of water reservoirs and canals (Agarwal et al., 2009, Shah, 2009, Palanisami and Easter, 2000, Vaidyanathan, 2006, Narayanamoorthy and Deshpande, 2003). Among the states, West Bengal is also one of the states with higher number of tanks. The number of tanks has reduced from 2.3 lakhs in 1987 to 1.16 lakhs in 2001 (about 50 per cent reduction) as irrigation development in West Bengal is also biased in favour of well irrigation. Out of 30.48 lakh hectares of irrigated land in West" @default.
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- W2898572248 date "2012-01-01" @default.
- W2898572248 modified "2023-09-29" @default.
- W2898572248 title "A Study on Tank Irrigation Productivity in the Dry Zones of West Bengal" @default.
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- W2898572248 doi "https://doi.org/10.22004/ag.econ.204808" @default.
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