我国典型农田土壤中有机物料腐解特征及驱动因子

马想,徐明岗,赵惠丽,段英华

Decomposition Characteristics and Driving Factors of Organic Materials in Typical Farmland Soils in China

MA Xiang,XU MingGang,ZHAO HuiLi,DUAN YingHua

表1 供试土壤基础性质

Table 1 Soil properties at field experiment sites

指标 Indicators 有机碳 SOC (g·kg-1) 全氮 TN (g·kg-1) 全磷 TP (g·kg-1) 全钾 TK (g·kg-1) 速效磷 AP (mg·kg-1) 速效钾 AK (g·kg-1) pH 黑土Black soil 15.1 1.31 0.60 24.0 6.95 0.11 7.85 潮土Fluvo-aquic soil 6.10 0.79 0.71 23.7 38.60 0.15 7.92 红壤Red soil 10.04 1.10 0.92 15.6 23.80 0.12 5.25