The influence of nitrogen fertiliser rate and crop rotation on soil methane flux in rain-fed potato fields in Wuchuan County, China
文献类型：期刊论文
| 作者 | Wang, Liwei1,6,7; Pan, Zhihua1,7; Xu, Hui2; Wang, Cheng3; Gao, Lin4; Zhao, Peiyi5,7; Dong, Zhiqiang1,7; Zhang, Jingting1,7; Cui, Guohui1,7; Wang, Sen1,7 |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2015-12-15 |
| 卷号 | 537页码:93-99 |
| 关键词 | Ch4 Exchange Ch4 Oxidation Methanotrophs Nitrogen Fertiliser Crop Patterns Rain-fed Potato |
| ISSN号 | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2015.08.003 |
| 英文摘要 | As one of the important greenhouse gases, the characteristics and principles of methane exchange characteristics in cultivated lands have become hot topics in current climate change research. This study examines the influences of nitrogen fertilisation, temperature and soil water content on methane exchange characteristic and methane exchange functional gene-pmoA gene abundance based on experimental observations of methane exchange fluxes using the static chamber-gas chromatographic method and measurements of methanotroph gene copy numbers in three growing periods by real-time PCR in rain-fed potato fields. The results indicate that the rain-fed potato fields were a CH4 sink with an average annual methane absorption (negative emission) of 940.8 +/- 103.2 g CH4-C/ha/year. The cumulative methane absorption first exhibited flat and subsequently increasing trend with the increase of nitrogen fertilisation from 0 similar to 135 kg N.ha(-1). Methane cumulative absorption significantly increased with the increase of temperature when temperatures were below 19.6 degrees C. Methane oxidation capacity (methanotroph pmoA gene copy numbers) showed an increasing and subsequently decreasing trend with the increase of soil moisture. Crop rotation was observed to increase the methane absorption in rain-fed potato fields and nearly one time higher than that under continuous cropping. A mechanism concept model of the methane exchange in rain-fed potato fields was advanced in this paper. (C) 2015 Elsevier B.V. All rights reserved. |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000361191100010 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://210.72.129.5/handle/321005/122203]  |
| 专题 | 中国科学院沈阳应用生态研究所 |
| 通讯作者 | Pan, Zhihua |
| 作者单位 | 1.China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China 2.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China 3.China Agr Univ, Coll Agr & Biotechnol, Beijing 100193, Peoples R China 4.Anhui Agr Univ, Sch Resources & Environm, Hefei 230036, Peoples R China 5.Inner Mongolia Acad Agr & Anim Husb Sci, Inst Resources Environm & Detect Technol, Hohhot 010031, Peoples R China 6.Shenyang Agr Univ, Coll Agron, Shenyang 110866, Peoples R China 7.Minist Agr, Wuchuan Sci Observing & Expt Stn Agroenvironm, Wuchuan 011700, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Liwei,Pan, Zhihua,Xu, Hui,et al. The influence of nitrogen fertiliser rate and crop rotation on soil methane flux in rain-fed potato fields in Wuchuan County, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2015,537:93-99. |
| APA | Wang, Liwei.,Pan, Zhihua.,Xu, Hui.,Wang, Cheng.,Gao, Lin.,...&Zhao, Hui.(2015).The influence of nitrogen fertiliser rate and crop rotation on soil methane flux in rain-fed potato fields in Wuchuan County, China.SCIENCE OF THE TOTAL ENVIRONMENT,537,93-99. |
| MLA | Wang, Liwei,et al."The influence of nitrogen fertiliser rate and crop rotation on soil methane flux in rain-fed potato fields in Wuchuan County, China".SCIENCE OF THE TOTAL ENVIRONMENT 537(2015):93-99. |
入库方式： OAI收割
来源：沈阳应用生态研究所
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