Nitrogen reduction via cultivation of green manures in drylands: A microbial perspective on enhancing soil nitrogen availability to increase wheat yield - Chenxi Liu; Shijie Wei; Mengyun Li; Qi Zhu; Yongchun Cai; Gaohai Han; Huishuai Lv; Zhaohui Wang; Donglin Huang; Xiaomin Wei; Weidong Cao; Yajun Gao; et al. (Agriculture, Ecosystems & Environment, 2026)