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| Registros recuperados: 13 | |
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| Kendy, Eloise; Molden, David J.; Steenhuis, Tammo S.; Liu, Changming; Wang, Jinxia. |
| The report examines the relationships between agricultural policies in the North China Plain, the approaches to water management that evolved from them, the quantity of water that was actually used, and the consequent groundwater depletion beneath Luancheng County, Hebei Province, from 1949 to 2000. To systematically address these relationships, we use a comprehensive water-balance approach. Our results indicate that a single, longstanding policy-that of using groundwater to meet the crop-water requirements not supplied by precipitation-is responsible for the steady rate of groundwater decline. |
| Tipo: Report |
Palavras-chave: Agricultural production; Groundwater; Aquifers; Water shortage; Irrigation efficiency; Agricultural policy; Crop production; Wastewaters; Water management; Hydrology; Economic development; Crop yield; Cotton; Wheat; Sprinkler irrigation; Water conservation; Water use efficiency; Pumping; Water balance; Vegetables; Rural economy; Irrigated framing; Community/Rural/Urban Development; Crop Production/Industries; Environmental Economics and Policy. |
| Ano: 2003 |
URL: http://purl.umn.edu/44560 |
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| Shah, Tushaar; Alam, Mahmudul; Kumar, M. Dinesh; Nagar, Rashmi K.; Singh, Mahendra. |
| An assessment of the social impact of treadle pump technology for manual irrigation in eastern India, the Nepal Terai, and Bangladesh, South Asia's so-called "poverty square." Treadle pump technology can be a powerful tool for poverty reduction in this region. It "self-selects" the poor, and puts to productive use the region's vast surplus family labor. It is claimed that the treadle pump could raise the annual net household income by US$100, on the average. |
| Tipo: Report |
Palavras-chave: Irrigation management; Treadle pump; Treadle pump technology; Technology transfer; Manual pumps; Water lifting; Low lift pumps; Aquifers; Poverty; Irrigated farming; Social impact; Income; Marketing; Pricing; Agribusiness; Community/Rural/Urban Development; Crop Production/Industries; Farm Management; Marketing; Production Economics; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2000 |
URL: http://purl.umn.edu/44571 |
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| Barry, Boubacar; Kortatsi, Benony; Forkuor, Gerald; Gumma, Murali Krishna; Namara, Regassa E.; Rebelo, Lisa-Maria; van den Berg, Joost; Laube, Wolfram. |
| The Atankwidi Catchment, which lies in the White Volta Basin in West Africa, is intensively cultivated by locals for economic gains. During dry seasons, farmers irrigate their crops, chiefly tomatoes, using shallow groundwater harvested from shallow ponds they dig using simple tools like an axe, hoe, bucket and bowls. Recent expansion in cultivated areas has brought to the fore the need to estimate the volume of shallow groundwater stored in the catchment’s underlying aquifer and to what extent it can sustain the incremental growth in irrigated areas. |
| Tipo: Report |
Palavras-chave: Groundwater irrigation; Aquifers; River basins; Catchment areas; Irrigation practices; Remote sensing; Mapping; Crop Production/Industries; Farm Management; Resource /Energy Economics and Policy. |
| Ano: 2010 |
URL: http://purl.umn.edu/112969 |
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| Villholth, K.G.; Amerasinghe, Priyani H.; Jeyakumar, P.; Panabokke, Christopher Rajendra; Woolley, Olivia; Weerasinghe, M.D.; Amalraj, N.; Prathepaan, S.; Burgi, N.; Lionelrathne, D.M.D.S.; Indrajith, N.G.; Pathirana, S.R.K.. |
| Tipo: Book |
Palavras-chave: Groundwater; Aquifers; Salinity; Natural disasters; Water supply; Drinking water; Wells; Rehabilitation; Mosquitoes; Disease vectors; Environmental Economics and Policy; Health Economics and Policy; Resource /Energy Economics and Policy. |
| Ano: 2005 |
URL: http://purl.umn.edu/118303 |
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| Keller, Andrew; Sakthivadivel, Ramasamy; Seckler, David. |
| Of the four major ways of storing water -in the soil profile, in underground aquifers, in small reservoirs, and in large reservoirs behind dams-the first is possible only for relatively short periods of time. In this paper, the authors concentrate on the three kinds of long-term technologies, and compare the hydrological, operational, economic and environmental aspects of each. |
| Tipo: Report |
Palavras-chave: Groundwater; Water storage; Water scarcity; Reservoir storage; Costs; Aquifers; Conjunctive use; River basins; Surface water; Dams; Crop Production/Industries; Environmental Economics and Policy; Land Economics/Use; Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy. |
| Ano: 2000 |
URL: http://purl.umn.edu/44575 |
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| Registros recuperados: 13 | |
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