Changes in soil active organic carbon under different management types of bamboo stands Active soil organic matter and its relationship with soil quality Change of Soil Labile Organic Carbon Pools after Conversion from Degraded Shrub Forest to Broadleaved Plantations in North Subtropical Areas of China Effects of understory removal on soil labile organic carbon pool in a Cinnamomum camphora plantation. Effects of intensive and extensive management on soil active organic carbon in bamboo forests of China Comparison of soil labile organic carbon in Chinese fir plantations and natural secondary forests in north subtropical areas of China