Organic amendment quality and quantity govern microbial necromass contributions to soil carbon sequestration: a meta-analysis - Jiaqi Hao; Mengdi Wang; Yiting Chen; Hui Xia; Hailin Zhang; Pete Smith; Yapeng Jiao; Binbin Cao; Yan Gao; Jianglan Shi; Xiangtian Meng; Rui Yin; et al. (Soil Biology and Biochemistry, 2026)