| Effects of N Fertilizer Application on Soil N2O Emissions and CH4 Uptake: A Two-Year Study in an Apple Orchard in Eastern China | |
Xie, BH ; Gu, JX; Yu, JB; Han, GX; Zheng, XH; Xu, Y; Lin, HT
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| 发表期刊 | ATMOSPHERE
 |
| ISSN | 2073-4433 |
| 2017-10 | |
| 卷号 | 8期号:10页码:181 |
| 关键词 | greenhouse gas direct emission factor background emissions fertilization production upland orchard |
| 研究领域 | Meteorology & Atmospheric Sciences |
| DOI | 10.3390/atmos8100181 |
| 产权排序 | [Xie, Baohua; Yu, Junbao; Han, Guangxuan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Shandong Prov Key Lab Coastal Environm Proc,CAS, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China; [Gu, Jiangxin] Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China; [Yu, Junbao] Ludong Univ, Coll Resources & Environm Engn, Yantai 264025, Peoples R China; [Zheng, Xunhua] Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China; [Xu, Yu; Lin, Haitao] Shandong Acad Agr Sci, Agr Resources & Environm Inst, Jinan 250100, Shandong, Peoples R China |
| 作者部门 | 海岸带环境过程实验室 |
| 英文摘要 | Land use changes from cropland to orchards in Eastern China have raised serious concerns about the regional nitrogen (N) cycle and greenhouse gas balance. We measured soil nitrous oxide (N2O) emissions and methane (CH4) uptake using manual static chambers in an apple orchard. The primary aims were to assess the effect of N fertilizer application on gas fluxes and quantify the site-specific N2O emission factor (EFd). Field experiments were arranged in a randomized block design with three N input rates (0, 800 and 2600/2000 kg N ha(-1) year(-1)). We found that orchard soils were a negligible CH4 sink (-1.1 to -0.4 kg C ha(-1) year(-1)). Annual N2O emissions responded positively to N input rates, ranging from 34.1 to 60.3 kg N ha(-1) year(-1). EFd ranged from 1.00% to 1.65% with a mean of 1.34%. The extremely large background emissions of N2O (34.1-34.3 kg N ha(-1) year(-1)) most likely originated from nitrate accumulation in the soil profile because of historical overuse of N fertilizer. We conclude that (1) site-specific EFd is suitable for assessing regional direct N2O emissions from upland orchards; and (2) conventional fertilization regimes must be avoided, and reduced N input rates are recommended in the study region. |
| 文章类型 | Article |
| 资助机构 | Non-profit Research Foundation for Agriculture [201103039] ; Project of the Cultivation Plan of Superior Discipline Talent Teams of Universities in Shandong Province: "the Coastal Resources and Environment team for Blue-Yellow Area" ; National Natural Science Foundation of China [41205118, 41475128] |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | greenhouse gas ; direct emission factor ; background emissions ; fertilization ; production ; upland orchard |
| 研究领域[WOS] | Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:000414847600001 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/24358 |
| 专题 | 中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室 中国科学院海岸带环境过程与生态修复重点实验室_滨海湿地实验室 中国科学院海岸带环境过程与生态修复重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Shandong Prov Key Lab Coastal Environm Proc,CAS, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China; 2.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China; 3.Ludong Univ, Coll Resources & Environm Engn, Yantai 264025, Peoples R China; 4.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China; 5.Shandong Acad Agr Sci, Agr Resources & Environm Inst, Jinan 250100, Shandong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xie, BH,Gu, JX,Yu, JB,et al. Effects of N Fertilizer Application on Soil N2O Emissions and CH4 Uptake: A Two-Year Study in an Apple Orchard in Eastern China[J]. ATMOSPHERE,2017,8(10):181. |
| APA | Xie, BH.,Gu, JX.,Yu, JB.,Han, GX.,Zheng, XH.,...&Lin, HT.(2017).Effects of N Fertilizer Application on Soil N2O Emissions and CH4 Uptake: A Two-Year Study in an Apple Orchard in Eastern China.ATMOSPHERE,8(10),181. |
| MLA | Xie, BH,et al."Effects of N Fertilizer Application on Soil N2O Emissions and CH4 Uptake: A Two-Year Study in an Apple Orchard in Eastern China".ATMOSPHERE 8.10(2017):181. |
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