Appropriate increasing potassium supply alleviates the inhibition of high nitrogen on root growth by regulating antioxidant system, hormone balance, carbon assimilation and transportation in apple

Xinxiang Xu, Xuelin Zhang, Chunling Liu, Hanhan Qin, Fangxuan Sun, Jingquan Liu, Mengxue Lyu, Yue Xing, Ge Tian, Zhanling Zhu, Yuanmao Jiang, Shunfeng Ge