中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Measurements of nitrous oxide emissions from vegetable production in China

文献类型:期刊论文

作者Xiong, ZQ; Xie, YX; Xing, GX; Zhu, ZL; Butenhoff, C
刊名ATMOSPHERIC ENVIRONMENT
出版日期2006-04-01
卷号40期号:12页码:2225-2234
关键词crop system tillage management nitrogen source emission factor sampling strategy
ISSN号1352-2310
DOI10.1016/j.atmosenv.2005.12.008
通讯作者Xiong, ZQ(zqxiong@issas.ac.cn)
英文摘要Nitrous oxide (N2O) emissions resulting from Chinese vegetable production were measured. A site in suburban Nanjing (East coast; Jiangsu Province) was monitored from November 2001 to January 2003, in which five consecutive vegetable crops were sown. The crops consisted of radish, baby bok choy, lettuce, second planting of baby bok choy, and finally celery. Results suggested that N2O emission events occur in pulses. The average N2O-N flux for all five crops was 148 +/- 9 mu gN m(-2) h(-1) and the average emission rate was 12 +/- 0.7 kg N ha(-1). The average seasonal emission fluxes ranged from 37 mu g N m(-2) h(-1) in the radish plot to 300ggN m(-2) h(-1) in the celery plot. The celery field produced the greatest cumulative emission of 5.8 kg N ha(-1) while the baby bok choy field had the lowest rate of 0.96-1.0 kg N ha(-1). In total, 0.73% of applied fertilizer N was emitted as N2O-N as a whole. The lettuce field had the largest emission factor of 2.2%. Results indicate that emissions from vegetable field are a potential source of national N2O inventory. Temporal variation is much greater than spatial variation and the corresponding CV averaged 115% and 22%, respectively. Under the same total sampling quantity, increasing sampling frequency is more important than increasing spatial replicates. (c) 2006 Elsevier Ltd. All rights reserved.
收录类别SCI
WOS关键词CROPPING SYSTEMS ; SOIL ; N2O ; AGRICULTURE ; DENITRIFICATION ; FIELD ; METHODOLOGY ; FERTILIZER ; GRASSLAND ; INVENTORY
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000236527700014
出版者PERGAMON-ELSEVIER SCIENCE LTD
URI标识http://www.irgrid.ac.cn/handle/1471x/2558591
专题南京土壤研究所
通讯作者Xiong, ZQ
作者单位1.Portland State Univ, Dept Phys, Portland, OR 97207 USA
2.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China
推荐引用方式
GB/T 7714
Xiong, ZQ,Xie, YX,Xing, GX,et al. Measurements of nitrous oxide emissions from vegetable production in China[J]. ATMOSPHERIC ENVIRONMENT,2006,40(12):2225-2234.
APA Xiong, ZQ,Xie, YX,Xing, GX,Zhu, ZL,&Butenhoff, C.(2006).Measurements of nitrous oxide emissions from vegetable production in China.ATMOSPHERIC ENVIRONMENT,40(12),2225-2234.
MLA Xiong, ZQ,et al."Measurements of nitrous oxide emissions from vegetable production in China".ATMOSPHERIC ENVIRONMENT 40.12(2006):2225-2234.

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来源:南京土壤研究所

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