Optimizing nitrogen fertilization and irrigation strategies to balance agroecosystem services in the wheat-maize double cropping system: A 21-year field study

Xinyue Qu, Wei Yao, Huijia Ji, Yi Xu, Rong Jia, Xinjie Chen, Hongjun Li, Antonio Rafael Sánchez‐Rodríguez, Yanjun Shen, Yadong Yang, Zhaohai Zeng, Huadong Zang