全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

秸秆还田对稻麦两熟高产农田净增温潜势影响的初步研究

Keywords: 秸秆还田,CH4和N2O排放,土壤固碳,增温潜势,稻麦两熟

Full-Text   Cite this paper   Add to My Lib

Abstract:

对长江下游稻麦两熟农田生态系统2009—2010年的CH4和N2O排放以及土壤碳固定进行了分析,初步研究了秸秆还田对稻麦两熟高产农田净增温潜势的影响。结果表明,秸秆还田对稻麦两熟高产农田周年CH4和N2O排放总量、土壤碳固定量以及净增温潜势均有显著或极显著影响:秸秆还田条件下周年CH4、N2O排放总量分别为394kgCH4·hm-2、2.39kgN2O·hm-2,土壤碳固定量、净增温潜势分别为1.14tC·hm-2、6383kgCO2-equivalents·hm-2;较秸秆不还田增加CH4排放总量152%、减少N2O排放总量14%、增加土壤碳固定量531%、增加净增温潜势57%。以上结果表明,秸秆还田使短期内稻麦两熟高产农田的温室效应明显提高,但其长期效果如何还有待观测。

References

[1]  蒋静艳;黄耀;宗良纲.水分管理与秸秆施用对稻田CH4和N2O排放的影响[J].中国环境科学,2003(5)
[2]  Zou J;Huang Y;Jiang J,A 3-year field measurement of methane and nitrous oxide emissions from rice paddies in China:Effects of water regime,crop residue,and fertilizer application,Global Biogeochem Clycle,2005.
[3]  Ma, J ;Li, X L ;Xu, H ;Han, Y ;Cai, Z C ;Yagi, K,Effects of nitrogen fertiliser and wheat straw application on CH4 and N2O emissions from a paddy rice field.,Australian Journal of Soil Research?,2007, 45(5).
[4]  刘金剑;吴萍萍;谢小立.长期不同施肥制度下湖南红壤晚稻田CH4的排放[J].生态学报,2008(6)
[5]  张岳芳;郑建初;陈留根,麦秸还田与土壤耕作对稻季CH4和N2O排放的影响,生态环境学报,2009(6).
[6]  Ma J;Ma E;Xu H,Wheat straw management affects CH4 and N2O emissions from rice fields,Soil Biology and Biochemistry,2009.
[7]  Aulakh M S;Khera T S;Doran J W,Denitrification,N2O and CO2 fluxes in rice-wheat cropping system as affected by crop residues,fertilizer N and legume green manure,Biology and Fertility of Soils,2001.
[8]  李成芳;寇志奎;张枝盛.秸秆还田对免耕稻田温室气体排放及土壤有机碳固定的影响[J].农业环境科学学报,2011(11)
[9]  逯非;王效科;韩冰,稻田秸秆还田:土壤固碳与甲烷增排,应用生态学报,2010(1).
[10]  Shang Q;Yang X;Gao C,Net annual global warming potential and greenhouse gas intensity in Chinese double rice-cropping systems:A 3-year field measurement in long-term fertilizer experiments,Global Change Biology,2011(6).
[11]  韩士杰;董云社;蔡祖聪,中国陆地生态系统碳循环的生物地球化学过程,北京:科学出版社,2008.
[12]  蔡祖聪;徐华;马静,稻田生态系统CH4和N2O排放,合肥:中国科学技术大学出版社,2009.
[13]  杨建昌;杜永;刘辉,长江下游稻麦周年超高产栽培途径与技术,中国农业科学,2008(6).
[14]  Pan G;Li L;Wu L,Storage and sequestration potential of topsoil organic carbon in China\'s paddy soils,Global Change Biology,2003(10).
[15]  周萍;潘根兴;李恋卿.南方典型水稻土长期试验下有机碳积累机制V.碳输入与土壤碳固定[J].中国农业科学,2009(12)doi:10.3864/j.issn.0578-1752.2009.12.017
[16]  刘巽浩;高旺盛;朱文珊,秸秆还田的机理与技术模式,北京:中国农业出版社,2001.
[17]  陈留根;张宝生;庄恒扬.太湖地区稻田保护性耕作条件下水稻生育期土壤肥力的变化[J].江苏农业学报,2008(6)doi:10.3969/j.issn.1000-4440.2008.06.019
[18]  刘晓雨;李志鹏;潘根兴.长期不同施肥下太湖地区稻田净温室效应和温室气体排放强度的变化[J].农业环境科学学报,2011(9)
[19]  黄耀;孙文娟.近20年来中国大陆农田表土有机碳含量的变化趋势[J].科学通报,2006(7)
[20]  郑聚锋;程琨;潘根兴,关于中国土壤碳库及固碳潜力研究的若干问题,科学通报,2011(26).
[21]  潘根兴;李恋卿;张旭辉.中国土壤有机碳库量与农业土壤碳固定动态的若干问题[J].地球科学进展,2003(4)
[22]  Intergovernmental Panel on Climate Change(IPCC),Climate Change 2007-The Physical Science Basis Contribution of Working Group Ⅰto the Fourth Assessment Report of the IPCC,Cambridge,New York:Cambridge University Press,2007.
[23]  Smith P;Martino D;Cai Z,Greenhouse gas mitigation in agriculture,Philosophical Transactions of the Royal Society B,2008.
[24]  韩冰;王效科;逯非.中国农田土壤生态系统固碳现状和潜力[J].生态学报,2008(2)
[25]  陈泮勤;王效科;王礼茂,中国陆地生态系统碳收支与增汇对策,北京:科学出版社,2008.
[26]  Pan G;Zhou P;Li Z,Combined inorganic/organic fertilization enhances N efficiency and increases rice productivity through organic carbon accumulation in a rice paddy from the Tai Lake region,China,Agriculture Ecosystems and Environment,2009.
[27]  王振忠;吴敬民;陈留根.稻麦两熟地区秸秆全量直接还田施肥技术的增产培肥效果[J].江苏农业学报,2003(3)doi:10.3969/j.issn.1000-4440.2003.03.005

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133