3Palmer R,Holmes K.Operational Guidance During Droughts:Expert System Approach[J].J.Water Resour.Plann.Manage.,1988,114(6):647-666.
4Martin Smith.CROPWAT:A Computer Program for Irrigation Planning and Management[M].Rome:FAO Irrigation and Drainage,1992.
5Cabelguenne M.etc.Real Time Irrigation Management Using the EPIC2PHASE Model and Weather Forecasts[J].Agricultural Water Management,1997,(32):227-238.
6Arnold J G,Fohrer N.SWAT2000:Current Capabilities and Research Opportunities in Applied Watershed Modelling[J].Hydrological Processes,2005,19(3):563-572.
7USDA Soil Conservation Service.Hydrology section 4[R].Washington,DC:US Government Printing Office,1972.
8Hargreaves G H,Samani Z A.Reference Crop Evapotranspiration from Temperature[J].Transaction of ASAE,1985,1(2):96-99.
