Excessive N applications reduces yield and biological N fixation of summer-peanut in the North China Plain - Wenhai Huang; Yuhao Yang; Haoyu Zheng; Jørgen Eivind Olesen; Robert M. Rees; Jun Zou; Li Zhang; Suya Hu; Bowen Qiao; Xiaohui Wang; Shuaijie Shen; Biaoding Yang; et al. (Field Crops Research, 2023)