Biochar addition affects root morphology and nitrogen uptake capacity common reed (Phragmites australis)
文献类型：期刊论文
| 作者 | Li, Qian-Wei2; Liang, Jin-Feng1,2; Zhang, Xiao-Ya2; Feng, Jiu-Ge2; Song, Ming-Hua3 ; Gao, Jun-Qin2,4
|
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2021-04-20 |
| 卷号 | 766页码:7 |
| 关键词 | Biochar Nitrogen addition Root morphogenesis Stable isotope |
| ISSN号 | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2020.144381 |
| 通讯作者 | Gao, Jun-Qin(gaojq@bjfu.edu.cn) |
| 英文摘要 | Nitrogen (N) is a key factor that limits plant growth in most terrestrial ecosystems, and biochar reportedly improves soil characteristics and grain yields. However, the effects of biochar on plant N uptake in wetland ecosystems and the underlying mechanisms of these effects remain unclear. Therefore, our study sought to characterise the effects of biochar addition on Phragmites australis N absorption rates at two different N deposition conditions [30 and 60 kg N hm(-2) yr(-1); i.e., "low" and "high" N treatments, respectively]. Our results demonstrated that biochar significantly promoted root biomass growth in P. australis in the high N treatment group. In contrast, the low N treatment group exhibited an increased proportion of fine roots and a decrease in the average P. australis root diameter. The N absorption rate of P. australis in the low N treatment group significantly increased with biochar addition and ammonium N became the preferred N source. The absorption rates of both ammonium and nitrate N were negatively correlated with the average P. austratis root diameter. 'therefore, our findings indicate that biochar may affect the N uptake strategy of P. australis by altering root morphogenesis, thereby providing new insights into potential restoration strategies for wetland vegetation. (C) 2020 Elsevier B.V. All rights reserved. |
| 资助项目 | National Key Research and Development Program of China[2017YFC0505903] ; National Natural Science Foundation of China[41871077] ; Innovative Transdisciplinary Program Ecological Restoration Engineering of the Beijing Municipal Education Commission |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000617676800090 |
| 出版者 | ELSEVIER |
| 资助机构 | National Key Research and Development Program of China ; National Natural Science Foundation of China ; Innovative Transdisciplinary Program Ecological Restoration Engineering of the Beijing Municipal Education Commission |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/162102]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Gao, Jun-Qin |
| 作者单位 | 1.Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China 2.Beijing Forestry Univ, Sch Ecol & Nat Conservat, Beijing 100083, Peoples R China 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, A11 Datun Rd, Beijing 100101, Peoples R China 4.Key Lab Ecol Protect Yellow River Basin Natl Fore, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Qian-Wei,Liang, Jin-Feng,Zhang, Xiao-Ya,et al. Biochar addition affects root morphology and nitrogen uptake capacity common reed (Phragmites australis)[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,766:7. |
| APA | Li, Qian-Wei,Liang, Jin-Feng,Zhang, Xiao-Ya,Feng, Jiu-Ge,Song, Ming-Hua,&Gao, Jun-Qin.(2021).Biochar addition affects root morphology and nitrogen uptake capacity common reed (Phragmites australis).SCIENCE OF THE TOTAL ENVIRONMENT,766,7. |
| MLA | Li, Qian-Wei,et al."Biochar addition affects root morphology and nitrogen uptake capacity common reed (Phragmites australis)".SCIENCE OF THE TOTAL ENVIRONMENT 766(2021):7. |
入库方式： OAI收割
来源：地理科学与资源研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。