Carbon sequestration effects of rice straw return in double season paddy field in Southern China. Impacts of application of pig manure and biogas sludge on methane emissions in the double-cropping ricefields Effect of enhanced UV-B radiation on CH4 emission from paddy field in Yuanyang Hani Terraces Effect of Rice Cultivars on Methane Emissions from Rice Field Effect of long-term fertilization on the methane oxidization and the methane emission in paddy soil Influence of Plants on CO2 and CH4 Emission in Wetland Ecosystem Effects of isobutyrate on daily gain, dietary nutrient digestion and methane emissions in Simmental beef cattle Effects of wetland draining for forestation on methane emissions in Xiaoxing’an Mountains, Northeast China METHANE EMISSION FROM FORESTED SWAMPS IN XIAOXING’AN MOUNTAINS, NORTHEASTERN CHINA Effect of permafrost degradation on methane emission in wetlands: a review Correlation between Rice Plant Aerenchyma System and Methane Emission from Paddy Field