Abstract:A long-term field experiment was set in Jinxian County, Institute of Red Soil of Jiangxi Province (N28°15′ 30″, E116°20′ 44″). One of the aims of the experiment was to study soil organic carbon (SOC) distribution and storage in different size groups of micro-aggregate in surface layer (0-17cm) of red paddy soil impacted by different fertilizers. Treatments were: (1) zero fertilization (CK), (2) chemical fertilizers along (NPK), (3) organic fertilizers along (OM) and (4) a combination of chemical and organic...