The Social and Environmental Effects of Large Dams, Volume 2 |
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Page 10
... Lands in Developing Countries , Perga- mon Press , Oxford , 1980 , p . 75 ) . THE LURE OF IRRIGATION 21 Irrigated agriculture is one of the most productive farming sys- tems known to man . In the United States , a Nebraska corn farm- er ...
... Lands in Developing Countries , Perga- mon Press , Oxford , 1980 , p . 75 ) . THE LURE OF IRRIGATION 21 Irrigated agriculture is one of the most productive farming sys- tems known to man . In the United States , a Nebraska corn farm- er ...
Page 11
... arable lands were irrigated , and that they required approximately 1,400 billion cubic meters of water a year . He also estimated that the area under irrigation was then in- creasing at an annual rate of 2.9 percent . By contrast , the ...
... arable lands were irrigated , and that they required approximately 1,400 billion cubic meters of water a year . He also estimated that the area under irrigation was then in- creasing at an annual rate of 2.9 percent . By contrast , the ...
Page 141
... irrigated land suffers from salinity - and that the problem is getting worse . " Today , about 400,000 acres of irrigated farmland in the San Joaquin Valley are affected by high , brackish water ta- bles . " If no remedial measures are ...
... irrigated land suffers from salinity - and that the problem is getting worse . " Today , about 400,000 acres of irrigated farmland in the San Joaquin Valley are affected by high , brackish water ta- bles . " If no remedial measures are ...
Contents
INTRODUCTION | 1 |
The Problems of Resettlement | 17 |
Management and MaintenancePerennial Problems | 163 |
Copyright | |
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acre-feet acres agricultural land Akawaio Arid Land Aswan Aswan Dam Aswan High Dam Barton Worthington benefits billion m³ Biswas Brazil Bruce Stokes building built canal Carl Widstrand caused Chagga construction cost crops cultivation cultural damage deforestation Developing Countries disease drainage earthquakes ecological economic Edward Goldsmith effects Egypt Environment Environmental estimated evaporation farmers farming feddans fertile fish flood control forest Goodland groundwater hectares High Dam hydroelectric Ibid increase India industrial inevitable irrigated land irrigation irrigation agriculture irrigation schemes irrigation system John Waterbury large dams large-scale water loss malaria ment meters million hectares Nile peasants percent perennial irrigation plans plants points pollution problem production qanats region reservoir resettlement result Rothé salinization salt schistosomiasis sedimentation seepage seismic silt social soil Sonjo Sri Lanka supply tanks Third World tion traditional irrigation Tucuruí Valley village water development schemes water projects waterlogging wildlife World Bank