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2 供试有机物料碳氮含量

Table 2 Carbon and nitrogen content in various organic matter

有机物料 Organic matters 有机碳 Organic carbon (g·kg-1) 全氮 Total nitrogen (g·kg-1) 碳氮比 C/N 小麦秸秆 Wheat straw 396.3 6.23 63.00 玉米秸秆 Maize straw 396.6 7.47 53.10 猪粪 Pig manure 233.4 20.32 11.49 牛粪 Cattle manure 293.5 23.43 12.53