With the improvement of living standard, people make great effects not only for the increment of wheat grain yield, but also for the improvement of wheat quality in China. The experiment was carried out at the experimental station of the Institute of Crop Sciences, Chinese Academy of Agricultural Sciences from September 2004 to June 2005. Two strong gluten bread wheat cultivars (Jimai20, 8901-11) and loam soil was used to study the effect of different N fertilizer strategies on yield and quality.The paper i...