Building soil organic matter differing in physical fractions for fertilizer nitrogen retention - Quan Tang; Qingde Li; Xiaozhi Wang; Yuanyuan Huang; Tim J. Daniell; Enxuan Wu; Jing Wang; Feiyi Zhang; Zhenwang Li; Scott X. Chang; Zucong Cai; Yves Uwiragiye; et al. (Soil Biology and Biochemistry, 2026)