Green manuring promotes grain yield and nitrogen use efficiency of spring wheat under chemical nitrogen reduction by enhancing plant nitrogen uptake and soil nitrogen supply - Yanwei Guo; Wen Yin; Hailong Qiu; Pan Li; Jingui Wei; Diankai Zhang; Lianhao Zhao; Pingxing Wan; Zhilong Fan; Falong Hu; Yunyou Nan; Qiang Chai; et al. (Field Crops Research, 2026)