7Bruins H J,Evenari M,Nessler U.Rainwater-harvesting agriculture for food production in arid zones:the challenge of the African famine[J].Applied Geography,1986(6):13-32.
8Frasier G W.Water harvesting/runoff farming systems for agricultural production[C]//Water Harvesting for Improved Agricultural Production.FAO,Rome,1994:57-51.