The experiment was carried out at the experimental station of the Institute of Crop Sciences,Chinese Academy of Agricultural Sciences (Beijing) form September 2006 to June 2007. The mainobjective was to study the influence of nitrogen (N) and irrigation on the quality, yield and physiologicalparameters in wheat (Triticum aestivum L).The experiments were included three components: The firstone was two-factor randomized blocks experiment with Luozhen1、KZ6061、Lvmai1、Lvmai2、Jingdong8 and Wanmai38 cultiva...