highly significantp < 0.01
Key Soil Factors Influencing GHG Emissions Soil CO 2 emissions and CH 4 consumption both had positive and highly significant correlations with SWC, SOC, MBC and TDN (all p < 0.01) as well as MBC/SOC ( p < 0.05), and had negative correlations with DOC/SOC and DOC/TDN (both p < 0.01, Table 2 ).