Exogenous abscisic acid promotes the nitrogen use efficiency of Brassica napus by increasing nitrogen remobilization in the leaves - Han, Yong-Liang; Liao, Jia-Yuan; Yu, Yin; Song, Hai-Xing; Rong, Nan; Guan, Chun-Yun; Lepo, Joe Eugene; Ismail, Abdelbagi M.; Zhang, Zhenhua (Informa UK Limited, 2017)