Compared with the treatments of NF and CFM, methane-oxidizing activity is significantly decreased as well as methanotrophic bacteria abundance and diversity significantly reduced under CF treatment.

• 长期单一施用氮肥为主的化肥显著降低了土壤对甲烷的氧化能力，同时显著降低了稻田土壤甲烷氧化菌的多样性和丰富度；