* represent significant relationships (P < 0.05).
Note: SOC: soil organic carbon content; STN: soil total nitrogen content; STP: soil total phosphorus content; NH4+: soil NH4+ content; NO3-: soil NO3- content; pH: soil pH value; SM: soil moisture; Soil aggregate includes >1 mm, 0.5mm-1mm, 0.25mm-0.5mm, 0.106mm-0.25mm, 0.053mm-0.106mm aggregate.