Effects of N,P,and K fertilizer on yield characteristics and nutrient utilization characteristics of confectionary sunflower
DUAN Yu, GUO Shijia, ZHANG Jun, WANG Jinxing, AN Hao, LIANG Junmei
Journal of Northern Agriculture . 2019, (3): 74 -78 .  DOI: 10.3969/j.issn.2096-1197.2019.03.14