Influence of nitrogen form on the phytoextraction of cadmium by a newly discovered hyperaccumulator Carpobrotus rossii
文献类型：期刊论文
| 作者 | Liu, WX; Zhang, CJ; Hu, PJ; Luo, YM ; Wu, LH; Sale, P; Tang, CX
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| 刊名 | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
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| 出版日期 | 2016 |
| 卷号 | 23期号:2页码:1246-1253 |
| 关键词 | Ammonium (NH4-N) Animal manure Cd Hyperaccumulator Nitrate (NO3-N) Phytoremediation |
| ISSN号 | 0944-1344 |
| 产权排序 | [Liu, Wuxing; Hu, Pengjie; Luo, Yongming; Wu, Longhua] Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Jiangsu, Peoples R China; [Luo, Yongming] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China; [Liu, Wuxing; Zhang, Chengjun; Sale, Peter; Tang, Caixian] La Trobe Univ, Ctr AgriBiosci, Dept Anim Plant & Soil Sci, Bundoora, Vic 3086, Australia |
| 通讯作者 | Tang, CX (reprint author), La Trobe Univ, Ctr AgriBiosci, Dept Anim Plant & Soil Sci, Melbourne Campus, Bundoora, Vic 3086, Australia. C.Tang@latrobe.edu.au |
| 英文摘要 | Using hyperaccumulator plants is an important method to remove heavy metals from contaminated land. Carpobrotus rossii, a newly found Cd hyperaccumulator, has shown potential to remediate Cd-contaminated soils. This study examined the effect of nitrogen forms on Cd phytoextraction by C. rossii. The plants were grown for 78 days in an acid soil spiked with 20 mg Cd kg(-1) and supplied with (NH4)(2)SO4, Ca(NO3)(2), urea, and chicken manure as nitrogen (N) fertilizers. Nitrification inhibitor dicyandiamide (DCD) was applied to maintain the ammonium (NH4+) form. Nitrogen fertilization increased shoot biomass but decreased root biomass with the highest shoot biomass occurring in the manure treatment. Compared to the no-N control, urea application did not affect shoot Cd concentration, but increased Cd content by 17 % due to shoot biomass increase. Chicken manure significantly decreased CaCl2-extractable Cd in soil, and the Cd concentration and total Cd uptake in the plant. Rhizosphere pH was the highest in the manure treatment and the lowest in the NH4+ treatments. The manure and nitrate (NO3-) treatments tended to have higher rhizosphere pH than their respective bulk soil pH, whereas the opposite was observed for urea and NH4+ treatments. Furthermore, the concentrations of extractable Cd in soil and Cd in the plant correlated negatively with rhizosphere pH. The study concludes that urea significantly enhanced the Cd phytoaccumulation by C. rossii while chicken manure decreased Cd availability in soil and thus the phytoextraction efficiency. |
| 研究领域[WOS] | Environmental Sciences & Ecology |
| 关键词[WOS] | THLASPI-CAERULESCENS ; SEDUM-PLUMBIZINCICOLA ; NOCCAEA-CAERULESCENS ; CONTAMINATED SOILS ; PHYTOREMEDIATION ; ZINC ; ACCUMULATION ; RHIZOSPHERE ; AMENDMENTS ; FERTILIZER |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000368200200030 |
| 源URL | [http://ir.yic.ac.cn/handle/133337/9290]  |
| 专题 | 烟台海岸带研究所_中科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, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat 2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc 3.La Trobe Univ, Ctr AgriBiosci, Dept Anim Plant & Soil Sci |
| 推荐引用方式 GB/T 7714 | Liu, WX,Zhang, CJ,Hu, PJ,et al. Influence of nitrogen form on the phytoextraction of cadmium by a newly discovered hyperaccumulator Carpobrotus rossii[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2016,23(2):1246-1253. |
| APA | Liu, WX.,Zhang, CJ.,Hu, PJ.,Luo, YM.,Wu, LH.,...&Tang, CX.(2016).Influence of nitrogen form on the phytoextraction of cadmium by a newly discovered hyperaccumulator Carpobrotus rossii.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,23(2),1246-1253. |
| MLA | Liu, WX,et al."Influence of nitrogen form on the phytoextraction of cadmium by a newly discovered hyperaccumulator Carpobrotus rossii".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 23.2(2016):1246-1253. |
入库方式： OAI收割
来源：烟台海岸带研究所
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