Plant Growth Regulators Improve Soybean Yield in Northwest China Through Nutritional and Hormonal Regulation. - Cheng, Hao; Gan, Yucheng; Zheng, Xinna; Meng, Ziyi; Zhao, Feifei; Feng, Wenyue; Guo, Renhui; Song, Xinghu; Zhao, Qiang (Agronomy, 2025)