Reduced fertilization boosts soil quality and economic benefits in semiarid apple orchard: A two-year appraisal of fertigation strategy oleh Wei Zhang, Jun-Sheng Lu, Ju Bai, Aziz Khan, Ling Zhao, Wei Wang, Shuang-Guo Zhu, Shu-Tong Liu, Jun-Min Jin, Gisacho Delphine Nyanchera, Shi-Qing Li, Xiao-Hong Tian, You-Cai Xiong