Warming increases CO2 emissions in biochar-amended cropland soil. - Xu, Tongyu; Xu, Qiufeng; Lei, Yan; Li, Fei; Kumar, Amit; Hui, Dafeng; Xue, Jianming; Shan, Shengdao; Li, Yongfu; Li, Hepeng; Lin, Junjie (Biochar, 2026)