Drought(flood) in south and flood(drought) in north
Baoding Regional differences Economic developing synthetical order Econormic regional coefficient of variability Economic developing total Z index
a combating drought in scientific way
ABILITY OF COPING WITH AGRICULTURE DROUGHT
ability of drought perception
ability of fought a drought
Ability to drought-resistance
active drought resistance
affected area by drought
agricultural drought and flood disaster
Agricultural Drought and Flood Index
agricultural drought disaster
agricultural drought disaster risk
agricultural drought frangibility
agricultural drought hazard
Agricultural drought index