Effects of base topdressing ratio of nitrogen fertilizer on photosynthetic characteristics of flag leaves, grain yield and protein content of  strong gluten wheat
ZHANG Zixuan, WANG Yanqun, LI Xuguang, FU Xin, ZHEN Wenchao, MEN Jie, HUANG Yuanyuan, PENG Zhengping
Journal of Hebei Agricultural University . 2023, (1): 10 -15 .  DOI: 10.13320/j.cnki.jauh.2023.0002