Lignin degradation enhancement in poultry manure and maize residue composting via flax retting waste liquid and biochar: Dominant microbial generalist species mediated - Tong Yang; Xiujun Tu; Xuan Tang; Yuhao Guo; Yueyi Liu; Zhenchao Wu; Hao Zhang; Ying Yang; Shuo Li; Weige Yao; Jinyu Du; Tingting Xu; et al. (Food and Bioproducts Processing, 2026)