LI Shi-qing~,SHAO Ming-an~,LI Zi-yan~,WU Wei-mo~,ZHANG Xing-chang~nese Academy of Sciences, Ministry of Water Resource, Yangling, Shaanxi, China, College of Resources, Environmental Sciences, Northwest Sci-Tech University of Agriculture a. Review of characteristics of wheat grain fill and factors to influence it[J]. Acta Botanica Boreali-Occidentalia Sinica,2003,23(11):