Effects of nitrogen fertilizer on CH4 emission from rice fields: multi-site field observations
文献类型:期刊论文
作者 | Xie, Baohua1,2; Zheng, Xunhua1; Zhou, Zaixing1,2; Gu, Jiangxin1; Zhu, Bo3![]() |
刊名 | PLANT AND SOIL
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出版日期 | 2010 |
卷号 | 326期号:1-2页码:393-401 |
关键词 | Ammonium-based Inventory Biomass Oxidation |
ISSN号 | 0032-079X |
通讯作者 | Xunhua Zheng |
中文摘要 | There is an ongoing discussion of the possible effects of nitrogen (N) application on methane (CH4) emission from rice fields. However, the Intergovernmental Panel on Climate Change (IPCC) methodologies for estimating the national inventory of CH4 emission from paddy rice production do not consider the effects of N addition. To assess the lack of knowledge about N addition effects on inventory estimates, we recently launched a multi-site observation campaign in major rice cultivation regions of China. The observations showed that, across various climate zones, the application of ammonium-based fertilizers at the commonly-adopted levels for fields in China (150 or 250 kg N ha(-1)) generally inhibited accumulative CH4 emission during rice season (by 28-30% on average) as compared to no N addition. An increase in application from the moderate level of 150 kg N ha(-1) to the high rate of 250 kg N ha(-1) did not significantly modify CH4 emission. Our results suggest that disregarding the effect of N fertilization by the IPCC methodologies may not significantly bias CH4 inventory estimates of China. In regions with much lower N addition levels, however, disregarding the effect of N fertilization may result in the underestimation of regional CH4 emission, since these emissions were mainly derived from studies in regions with relatively high N addition rates |
英文摘要 | There is an ongoing discussion of the possible effects of nitrogen (N) application on methane (CH4) emission from rice fields. However, the Intergovernmental Panel on Climate Change (IPCC) methodologies for estimating the national inventory of CH4 emission from paddy rice production do not consider the effects of N addition. To assess the lack of knowledge about N addition effects on inventory estimates, we recently launched a multi-site observation campaign in major rice cultivation regions of China. The observations showed that, across various climate zones, the application of ammonium-based fertilizers at the commonly-adopted levels for fields in China (150 or 250 kg N ha(-1)) generally inhibited accumulative CH4 emission during rice season (by 28-30% on average) as compared to no N addition. An increase in application from the moderate level of 150 kg N ha(-1) to the high rate of 250 kg N ha(-1) did not significantly modify CH4 emission. Our results suggest that disregarding the effect of N fertilization by the IPCC methodologies may not significantly bias CH4 inventory estimates of China. In regions with much lower N addition levels, however, disregarding the effect of N fertilization may result in the underestimation of regional CH4 emission, since these emissions were mainly derived from studies in regions with relatively high N addition rates. |
WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
类目[WOS] | Agronomy ; Plant Sciences ; Soil Science |
研究领域[WOS] | Agriculture ; Plant Sciences |
关键词[WOS] | METHANE EMISSION ; PADDY SOILS ; OXIDATION ; PATTERNS ; CO2 ; MANAGEMENT ; OXIDE |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000272850200031 |
公开日期 | 2013-04-03 |
源URL | [http://192.168.143.20:8080/handle/131551/5033] ![]() |
专题 | 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Bounder Layer Phys & Atmo, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China 3.CAS, IMHE, Chengdu 610041, Peoples R China 4.CAS, Inst Appl Ecol, Shenyang 110015, Peoples R China 5.CAS, NE Inst Geog or Agroecol, Changchun 130012, Peoples R China 6.CAS, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China |
推荐引用方式 GB/T 7714 | Xie, Baohua,Zheng, Xunhua,Zhou, Zaixing,et al. Effects of nitrogen fertilizer on CH4 emission from rice fields: multi-site field observations[J]. PLANT AND SOIL,2010,326(1-2):393-401. |
APA | Xie, Baohua.,Zheng, Xunhua.,Zhou, Zaixing.,Gu, Jiangxin.,Zhu, Bo.,...&Zhu, Jianguo.(2010).Effects of nitrogen fertilizer on CH4 emission from rice fields: multi-site field observations.PLANT AND SOIL,326(1-2),393-401. |
MLA | Xie, Baohua,et al."Effects of nitrogen fertilizer on CH4 emission from rice fields: multi-site field observations".PLANT AND SOIL 326.1-2(2010):393-401. |
入库方式: OAI收割
来源:成都山地灾害与环境研究所
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