Department of Vegetable Science，China Agricultural University，Beijing Key Laboratory of Growth and Development Regulation for Protected Vegetable Crops，Beijing 100193，China
Abstract：China is short of water resources．Every year the water consumption in agriculture occupies 65% of the country’s total water consumption．The water utilization efficiency of protected agriculture is not high．Various kinds of water-saving technology have not been widely applied．This paper summarizes the present situation of water resources in China，water consumption law of vegetable crops，modern water-saving technology，water-fertilizer coupling technology and development trend of water-saving technology，etc．So as to provide reference for water-saving protected vegetable crops．
