Effects of different ratios of nitrogen and potassium on root growth and yield in potato
DI Caixia, LI Xiuping, LI Yanfang, LI Baohe, Shana, LI Bin, ZHAO Ju
Journal of Northern Agriculture . 2021, (1): 53 -59 .  DOI: 10.12190/j.issn.2096-1197.2021.01.08