Potential Costs of and Benefits from Diverting River Flow for Irrigation in the North China Plain |
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3.0 million hectares accumulation agricultural production agricultural sector allocated alluvial fans amount Anhwei Annual Wheat Production Average Annual Wheat canals capital construction Chinese Academy Chinese Communist cost crops Cumulative Probability Level detention basins dikes drainage drought ECMM Economic Development estimated expenditures farmland flood control growth harness hectares of land Honan Huai River Hungtze Lake increased industrial input investment in agriculture irrigable area JPRS Kiangsu kilograms large reservoirs Leap Forward lower reaches mainland marginal meters middle reaches millimeters moisture normal precipitation North China Plain northern output Party Peking period Potential Evapotranspiration Province rainfall regime reservoirs Response From Irrigation River basin river control river flow River system SCMP season Shu Rivers silt soil southern plain Tientsin tributaries Tsinan Tso-yi utilized variability volume of flow water conservancy water conservancy programs water conservancy projects water supply water table waterlogging wheat production response winter wheat Yangtze River Yellow River yield