Effect of Soluble Sugar and Organic Acid on the Active Organic Carbon Content and Methane Emission in Paddy Soil

• Chengqian LIU, 
• Shuhua FENG, 
• Xiang LI, 
• Yongmei HE, 
• Yanxue ZHANG, 
• Yanqun ZU, 
• Yuan LI, 
• Chunmei XIE