A Review on Study of Methane Emission from Rice Field in China Ⅰ. Mechanism and Affecting Factors
A review is made on methane emission study from rice fields in China for more than 20 years. It includes the observation of methane emission flux from rice paddy fields； the biological mechanism of methane production and the study of mechanism of methane production,oxidation,transportation in the rice fields； and the factors affecting methane emission. Methane production and oxidation,the factors affecting methane emission are introduced,especially.