Appropriate bandwidth achieves a high yield by reducing maize intraspecific competition in additive maize–soybean strip intercropping

Liang Bing, Yanwei Ma, Kai Shi, Guopeng Chen, Hong Chen, Yun Hu, Ping Chen, Pu Tian, Yushan Wu, Xin Sun, Taiwen Yong, Weiguo Liu, Jiang Liu, Junbo Du, Feng Yang, Xiaochun Wang, Wenyu Yang