Effects of winter cover crop on methane and nitrous oxide emission from paddy field. Preparation and Application of cRNA Probe Labeled with Digoxingenin for Gene F64 of Rice Field Eel CH4 and N2O fluxes from late-rice fields in Guangzhou region and their affecting factors Relationship bwtween CH4 and N2O emissions from rice field and its microbiological mechanism and impacting factors CH4 and N2O emission from a rice field and effect of Azolla and fertilitaion on them