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Registros recuperados: 5
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An assessment of crop water productivity in the Indus and Ganges River Basins: current status and scope for improvement AgEcon
Cai, Xueliang; Sharma, Bharat R.; Matin, Mir Abdul; Sharma, Devesh; Gunasinghe, Sarath.
The Indus and Ganges River Basin, being the most populous in the world, is under extreme pressure to sustain food security. Production resources including water are being exploited to various levels from underdevelopment to heavy overexploitation. This report provides a bird’s eye view of the basin and focuses on the nexus between agricultural production and water consumption, making it possible to pinpoint the areas with high/low water productivity and identify the factors behind this, which helps to promote informed decision making in light of environmental sustainability.
Tipo: Report Palavras-chave: Water productivity; Crops; Yields; Rice; Wheat; River basins; Models; Remote sensing; Evapotranspiration; Mapping; Crop Production/Industries; Food Security and Poverty.
Ano: 2010 URL: http://purl.umn.edu/112970
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Bailout with white revolution or sink deeper?: groundwater depletion and impacts in the Moga District of Punjab, India. AgEcon
Amarasinghe, Upali A.; Smakhtin, Vladimir U.; Sharma, Bharat R.; Eriyagama, Nishadi.
Moga District in Punjab, India, is a microcosm of the twin story of irrigation-induced growth and stress. The groundwater consumptive water use in agriculture exceeds the recharge by a substantial margin. Rice production contributes to a major part of this difference. The groundwater depletion is so critical that diversifying agriculture is the only way forward for sustainable agricultural growth. Reducing the rice area and intensifying milk production will be a win-win situation for both the farmers and the area reeling with a groundwater crisis.
Tipo: Report Palavras-chave: Groundwater depletion; Groundwater irrigation; Water use; Rice; Wheat; Milk production; Agricultural and Food Policy; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; Production Economics; Resource /Energy Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/108672
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Spatial variation in water supply and demand across river basins of India AgEcon
Amarasinghe, Upali A.; Sharma, Bharat R.; Aloysius, Noel; Scott, Christopher A.; Smakhtin, Vladimir U.; de Fraiture, Charlotte.
India is a large country with regional differences in per-capita water supply and demand. Attempts to describe the water situation in India at a national level are often misleading due to the tremendous diversity in the water situation across the country. This Report analyzes the spatial variation of water supply and demand across river basins in India. The study identifies basins that are water-scarce because of inadequate water availability to meet the effective demand. It also identifies issues that are important for estimating the future water demand and for the formation of policy for future water-resources development and management.
Tipo: Report Palavras-chave: Water supply; Water demand; River basins; Catchment areas; Water availability; Water scarcity; Estimation; Irrigation water; Domestic water; Population growth; Urbanization; Groundwater extraction; Crop production; Policy; Water transfer; India; Agricultural and Food Policy; Community/Rural/Urban Development; Consumer/Household Economics; Crop Production/Industries; Environmental Economics and Policy; Farm Management; Food Consumption/Nutrition/Food Safety; Production Economics.
Ano: 2004 URL: http://purl.umn.edu/52966
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The lower Krishna Basin trajectory: relationships between basin development and downstream environmental degradation AgEcon
Venot, Jean-Philippe; Sharma, Bharat R.; Rao, Kamineni V.G.K..
Basin water development and rural dynamics in the Krishna Basin have led to a degradation of downstream ecosystems manifesting itself by salinizing soil and groundwater, increasing pollution, disappearing mangroves and desiccating wetlands. Reversing this evolution requires the formal recognition of the environment as a water user in its own right and the implementation of an environmental water provision. This provision should be based on a two-tier allocation system with assured discharges in the irrigation canals of the delta and to the ocean. This will lead to further commitment of water resources but this is needed to reconcile the social, economic and environmental objectives of a sustainable development. Other measures facilitating integrated...
Tipo: Report Palavras-chave: River basin development; Lakes; Environmental degradation; Ecosystems; Mangroves; Water allocation; Groundwater; Water quality; Salinity; Irrigated farming; Institutions; Irrigation canals; Rural development; Agribusiness; Crop Production/Industries; Environmental Economics and Policy; Land Economics/Use; Risk and Uncertainty.
Ano: 2008 URL: http://purl.umn.edu/44515
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Water poverty in the northeastern hill region (India): Potential alleviation through multiple-use water systems: Cross-learnings from Nepal Hills AgEcon
Sharma, Bharat R.; Riaz, M.V.; Pant, Dhruba; Adhikary, D.L.; Bhatt, B.P.; Rahman, H..
Tipo: Report Palavras-chave: Water poverty index; Construction; Multiple use; Water storage; Farming systems; Villages; Social aspects; Drip irrigation; Nepal; Nagaland; Mon district; Lampong Sheanghah; Community/Rural/Urban Development; Crop Production/Industries; Environmental Economics and Policy; Farm Management; Food Consumption/Nutrition/Food Safety; Health Economics and Policy; Industrial Organization; Institutional and Behavioral Economics; Land Economics/Use; Production Economics; Productivity Analysis; Research and Development/Tech Change/Emerging Technologies; Risk and Uncertainty.
Ano: 2010 URL: http://purl.umn.edu/91466
Registros recuperados: 5
Primeira ... 1 ... Última
 

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