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4 气候、物料和土壤因子对秸秆和粪肥腐解贡献率

Table 4 The contribution rate of climate, organic matter properties and soil characters to the decomposition of straw and manure

因子 Category 秸秆 Straw 粪肥 Manure 解释率 Contribution (%) 显著性P-value 解释率Contribution (%) 显著性P-value 气候Climate (C) 6.5 0.001 38.3 0.001 物料Organic material (O) 2.8 0.001 5.4 0.001 土壤Soil (S) 1.7 0.036 12.9 0.001 交互作用Interaction C×O 20.4 15.7 C×S 12.1 0.6 S×O 2.1 2.3 C×S×O 42.3 6.9 Total 88.2 0.001 82.1 0.001