干旱地区农业研究Issue(6)：181-189,9.
模拟栽培条件的改变对稻田主要温室气体排放的影响
Simulation of greenhouse gas emissions as affected by cultivation practices in rice fields
摘要
Abstract
Using the high resolution(1 m)IKONOS satellite and employing typical sampling and terrain→land use→land cover→comprehensive information extraction method,representative of the middle Jintang hilly area feature were selected .Detailed farmer investigations were carried out,including crop diversity,tillage,fertilizer,manure type,irri-gationsoil pH,meteorological data.Emissions of CO2,N2O and CH4 emissions of rice fields with farmers crop production conditions simulated using DNDC model .In-depth analysis of factors contributing to emissions of CO2,N2O,CH4,and global warming potential (GWP)was performed by changing a factor of production conditions of the winter water paddy rice field (winter paddy field area accounts for 58 .07%of the area of research)in the target area .The results show that nitrogen fertilizer,organic fertilizer number and variety types,animal dung urine into quantity,middle-stage drainage, depth of cultivated fields,average temperature,rainfall,soil pH,content of soil organic matter,soil texture have signifi-cant influence on greenhouse gas emissions in paddy field .GWP of CO2,CH4,and N2O emissions of one year from three kinds of paddy field-permanently flooded paddy fields (PF),rapeseed-paddy rice fields (RR)and winter wheat-paddy rice fields (RW)were in the order of RW>RR>PF .关键词
稻田/温室气体排放/栽培条件/DNDC模型/全球增温潜势Key words
rice field/greenhouse gas emission/cultivation practices/DNDC Model/global warming potential(GWP)分类
农业科技引用本文复制引用
孙园园,孙永健,杨志远,徐徽,马均,李首成..模拟栽培条件的改变对稻田主要温室气体排放的影响[J].干旱地区农业研究,2013,(6):181-189,9.基金项目
国家“十二五”科技支撑计划项目（2011BAD16B05，2012BAD04B13，2013BAD07B13）；美国国家科学基金（NSF）项目（DEB20075617）；中国气象局西南区域气象中心区域重大项目（2010-7）；农业部作物生理生态与耕作重点实验室开放课题、四川省教育厅资助科研项目（10ZA047）；四川省育种攻关专项 （）
