Varietal Variances of Grain Nitrogen Content and Its Relations to Nitrogen Accumulation and Yield of High-Quality Rice under Different Nitrogen Rates - Jiale Wu; Renwei Que; Wenle Qi; Gangqiang Duan; Jingjing Wu; Yongjun Zeng; Xiaohua Pan; Xiaobing Xie (Agronomy, 2022)