Effects of Straw Recycling of Winter Covering Crop on Methane and Nitrous Oxide Emissions in Paddy Field Effect of controlled release fertilizer on nitrous oxide emission from paddy field under plastic film mulching cultivation. The vertical characteristics of ecosystem of Hani’s terrace paddyfield in Yunnan, China Effects of controlled release fertilizers on N2O emission from paddy field Studies on the Weed Seedbank of Paddyfield along the Yangtze River in Anhui Province CH4 and N2O emission from a winter-time flooded paddy field in a hilly area of Southwest China The Influence of Low-dose Pesticides on the Insect-control Power of Paddyfield Spiders Dynamics of gaseous production after addition of carbon and nitrogen in paddy and vegetable soils Distribution characteristics of soil humus fractions stable carbon isotope natural abundance (δ13C) in paddy field under long-term ridge culture.