Biochar addition affects soil carbon stock by altering keystone fungal species and necromass abundance and oxidase activities in forest and paddy soils - Leiyi ZHANG; Yingxin WU; Jie ZHANG; Kumuduni Niroshika PALANSOORIYA; Chao LIU; Rahat SHABIR; Yao HUANG; Qianying SUN; Wencheng WU; Scott X. CHANG (Pedosphere, 2025)