The grinding quality could be improved by spraying urea solution during ripening period, meanwhile the amylose content was improved and gel consistency was extended while the chalkiness was increased. The fine quantity of nitrogen for the best quality of
杨泽敏,王维金,蔡明历,陈国兴,卢碧林,朱永桂. Effects of Applying Time and Quantity of Nitrogen Fertilizer on Rice Quality[J]. Jorunal of Huazhong Agricultural University,2002,21(5).