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...

不同施氮水平对稻麦轮作农田氧化亚氮排放的影响

Keywords: N2O排放,小麦,水稻,施氮量

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用江苏常熟田间随机区组试验,以密闭箱法采集气样,气相色谱分析N2O浓度,对稻麦轮作制下不同施氮水平的土壤N2O排放进行了观测,探讨了不同施氮水平对稻麦轮作农田氧化亚氮排放的影响。结果表明,土壤N2O排放量受施氮量的影响,稻季和麦季N2O排放量都随施氮量的增加而增加;稻季N2O排放量最大峰值出现在烤田复水期间,其排放量大小主要受基肥和分蘖肥施用量的影响,并随施氮量的增加而增大;麦季最大峰值出现在气温回暖的第二次追肥后,排放量的最大峰值也随施氮量的增加而增大;稻麦轮作土壤N2O排放以麦季的排放为主,麦季N2O累积排放量在轮作周期中占三分之二。

References

[1]  IPCC,Climate Change.The scientific basis:Chapter 4.Atmosphere chemistry and greenhouse gases[R].Cambridge:Cambridge University Press,UK 2001.
[2]  Delgada J A,Mosier A R.Mitigation alternatives decrease nitrous oxide emissions and urea-nitrogen loss and their effect on methane flux[J].J Environ Qual,1999,28(6):1105-1111.
[3]  Bouwman A F.Direct emissions ofnitrous oxide from agricultural soils[J].Nutr Cyst Agroecosyst,1996,46:53-70.
[4]  Xu H,Xing G,Cai Z,et al.Nitrous oxide emissions from three rice paddy fields in China[J].Nutrient Cycling in Agroecosystems,1997,49:23-28.
[5]  Granli T,Boekman O C.Nitrous oxide from agriculture[J].Narw Jour of Agri Sci,1994,12:120-128.
[6]  徐华,邢光熹,蔡祖聪,等.土壤水分状况和氮肥施用及品种对稻田N_2O排放的影响[J].应用牛态学报,1999,10(2):186-188.XU Hua,XING Guang-xi,CAI Zu-eong,et al.Effect of soil water regime and chemical N fertilizers apphcation on N_2O emission from paddy field[J].Applied Ecology,1999,10(2):186-188.
[7]  徐华,邢光熹,张汉辉.太湖地区水田土壤N_2O排放通量及其影响因素[J].土壤学报,1995,32(增刊):144-150.XU Hua,XING Guang-xi.ZHANG Han-hui.N_2O fluxes from rice fields in Taihu region and factors affecting them[J].Acta Pedologica Sinica,1995,32(suppl.):144-150.
[8]  黄树辉,吕军,曾光辉.水稻烤田期间N_2O排放及其影响因素[J].环境科学学报,2004,24(6):1084-1090.HUANG Shu_hui.LV Jun.ZENG Guang-hui.Nitrous oxide endssions and impact factors in paddy soil drying[J].Acta Scientiae Circumstantiae,2004,24(6):1084-1090.
[9]  肖玉,谢高地,鲁春霞,等.施肥对稻田生态系统气体调节功能及其价值的影响[J].植物生态学报,2005,29(4):577-583.XIAO Yu,XIE Gao-di,LU Chun-xia,et al.The impact of urea mendments on atmospheric on atmospheric gas regulation services in rice paddy ecosystems and their valuation[J].Aeta Phytoecolngica Sinica,2005,29(4):577-583.
[10]  周再兴,郑循华,王明星,等.华东稻麦轮作农田CH_4、N_2O和NO排放特征[J].气候与环境研究,2007,12(6):751-760.ZHOU Zai-xing,ZHENG Xun-hua,WANG Ming-xing,et al.CH_4,N_2O and NO emissions from a rice-wheat rotation cropping field in East China[J].Climatic and Environmental Research,2007,12(6):751-760.
[11]  熊正琴,邢光熹,施书莲,等.轮作制度对水稻生长季节稻田氧化亚氮排放的影响[J].应用生态学报,2003,14(10):1761-1764.XIONG Zheng-qin,XING Guang-xi,SHI Shu-lian,et al.Effects of cropping systems on nitrous oxide emissions from paddy soils during the riee-growing season[J].Applied Ecology,2003,14(10):1761-1764.
[12]  蒋静艳,黄耀,宗良纲.环境因素和作物生长对稻田CH_4和N_2O排放的影响[J].农业环境科学学报,2003,22(6):711-714.JIANG Jing-yan,HUANG Yao,ZONG Liang-gang.Influence of environmental factors and crop-growing on emissions of CH_4 and N_2O from rice paddy[J].Journal of Agro-environmental Science,2003,22(6):711-714.
[13]  田光明,何云峰,李勇先.水肥管理对稻田土壤甲烷和氧化亚氮排放的影响[J].土壤与环境,2002,11(3):294-298.TIAN Guang-ming,HE Yun-feng,LI Yong-xian.Effect of water and fertilization management on emission of CH_4 and N_2O in paddy soil[J].Soils and Environmental Sciences,2002,11(3):294-298.
[14]  黄国宏,陈冠雄,韩冰.土壤含水量与N_2O产生途径研究[J].应用生态学报,1999,10(1):53-56.HUANG Guo-hong,CHEN Guan-xiong,HAN Bing.Relationships between soil water content and N_2O production[J].Applied Ecology,1999,10(1):53-56.
[15]  齐玉春,董云社.土壤氧化亚氮产生、排放及其影响因素[J].地理学报,1999,54(6):534-542.OI Yu-chun,DONG Yun-she.Nitrous oxide emissions from soil and some influence factors[J].Acta Geographica Sinica,1999,54(6):534-542.
[16]  Letey J,Valoras N,Hadas A,et al.Effect of air-filled porosity,nitrate concentration,and time on the ratio of N_2O/N_2 evolution during denitrifieation[J].J Environ Qual,1980,9:227-231.
[17]  李香兰,徐华,曹金留,等.水分管理对水稻生长期N_2O排放的影响[J].土壤,2006,38(6):703-707.LI Xiang-lan,XU Hua,CAO Jin-Liu,et al.Effect of water management on N_2O emission in rice-growing season[J1.Soils,2006,38(6):703-707.
[18]  邓美华,尹斌,张绍林,等.不同施量和施方式对稻田氨挥发损失的影响[J].土壤,2006,38(3):263-269.DENG Mei-hua,YIN Bin,ZHANG Shao-lin,et al.Effects of rate and method of N application on ammonia volatilization in paddy fields[J].Soils,2006,38(3):263-269.
[19]  郑循华,王明星,王跃思,等.温度对农田N_2O产生与排放的影响[J].环境科学,1997,18(5):1-6.ZHENG Xun-hua,WANG Ming-xing,WANG Yue-si,et al.Impacts of temperature on N_2O production and emission[J].Environmental Science,1997,18(5):1-6.
[20]  Xing G,Zhac X,Xiong Z,et al.Nitrous oxide emission from paddy fields in China[J].Acta Ecologica Sinica,2009,29:45-50.
[21]  郑循华,王明星,王跃思,等.稻麦轮作生态系统中土壤湿度对N_2O产生与排放的影响[J].应用生态学报,1996,7(3):273-279.ZHENG Xun-hua,WANG Ming-xing,WANG Yue-si,et al.Impact of soil humidity on N_2O production and emission from a rice-wheat mtation ecosystem[J].Applied Ecology,1996,7(3):273-279.
[22]  颜晓元,施书莲,杜丽娟,等.水分状况对水田土壤N_2O排放的影响[J].土壤学报,2000,37(4):482-489.YAN Xiao-yuan,SHI Shu-lian,DU Li-juan,et al.N_2O emission from paddy soil as affected by water regime[J].Aeta Pedologica Sinica,2000,37(4):482-489.

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133