Soil layer depth–driven microbial metabolic division reveals the relationship between aggregate carbon sequestration and carbon source utilization under organic amendments - Rongrong Zhang; Ze Yang; Muhammad Iqbal Jakhro; Bingnian Zhai; Hanzhong Jia; Xining Zhao; Minggang Xu; Yajun Gao; Ziyan Li (Agriculture, Ecosystems & Environment, 2026)