Post-silking nitrogen accumulation and remobilization are associated with green leaf persistence and plant density in maize
ZHANG Li-li, ZHOU Xiang-li, FAN Ye, FU Jun, HOU Peng, YANG Hai-long, QI Hua
Journal of Integrative Agriculture . 2019, (8): 1882 -1892 .  DOI: 10.1016/S2095-3119(18)62087-8