Aiming at the problem of irrigation water scarcity in arid and semi arid areas,this research studied water saving effect of regulated deficit irrigation on Cabernet Sauvignon as a prerequisite to enhance high quality of grape,in order to provide the basis for the production of high quality grape under the condition of deficit irrigation.The final objectives of this research was to determine the product management model of grape in Yangling District of Shaanxi Province and to provide guidance for the develop...