Optimizing plant density to improve the soil microenvironment and enhance crop productivity in cotton/cumin intercropping systems - Zhang, Humei; Tian, Liwen; Hao, Xianzhe; Li, Nannan; Shi, Xiaojuan; Shi, Feng; Tian, Yu; Wang, Wenbo; Luo, Honghai (Frontiers in Plant Science, 2025)