Divergent legacy effects of biochar on nitrous oxide emissions in acidic soils driven by altered microbial N pathways. - Guo, Shumin; Lin, Haiyan; Li, Zhutao; Han, Zhaoqiang; Wu, Jie; Bo, Xiaomeng; Shen, Mengxue; Zhang, Zhiwei; Liu, Shuwei; Wang, Jinyang; Zou, Jianwen (Biochar, 2026)