Elemental sulfur effects on Pb and Zn uptake by Indian mustard and winter wheat
文献类型：期刊论文
| 作者 | Dong, YT; Wang, QR; Cui, YS; Li, HF |
| 刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
 |
| 出版日期 | 2003 |
| 卷号 | 15期号:6页码:836-840 |
| 关键词 | Elemental Sulfur Pb Zn Uptake Contaminated Soil |
| 英文摘要 | A pot experiment was conducted to investigate the influence of elemental sulfur to contaminated soil on plant uptake by a heavy metal hyperaccumulator, Indian mustard( Brassica juncea) and a field crop, winter wheat( Triticum. aestivum). Elemental sulfur(S) with different rates was carried out, they were 0(SO), 20(S-20), 40(S-40), 80(S-80), and 160(S-160) mmol/kg respectively. Extra pots with the same rates of S but without plants were used for soil sampling to monitor pH and CaCl2-extractable heavy metal changes. The results showed that S enhanced phytoextraction of Pb and Zn from contaminated soil. Application S effectively decreased soil pH down to 1.1 as the most at the rate Of S160. The concentrations of CaCl2-extractable Ph and Zn in soil and uptake of Ph and Zn by the plants were increased with soil pH decreased. A good correlation between CaCl2-extractable Pb/Zn and soil pH was found(R-Pb(2) = 0.847 and R-Zn(2) = 0.991, n = 25). With S application, soil CaCl2-extractable Pb and Zn concentrations, concentration of Pb and Zn in plants and the amount of removal by plant uptake were significantly higher than those without S. Under the treatment of S-160, the highest CaCl2-extractable Pb and Zn were observed, they were 4.23 mg/kg and 0.40 mg/kg, 2.7 and 2.0 times as that of the control(S-0) respectively. At the highest rates of S(S-160), both Indian mustard and winter wheat reached the highest uptake of Ph and Zn. The highest Pb concentrations in wheat and Indian mustard were 32.8 mg/kg and 537.0 mg/kg, all 1.8 times as that of the control, and the highest Zn concentrations in wheat and Indian mustard were 215.5 mg/kg and 404.0 mg/kg, 2.4 and 2.0 times as that of the control respectively. The highest removals of Ph and Zn from the contaminated soil were 0.41 mg/pot and 0.31 mg/pot by Indian mustard in the treatment of S160 through 50 days growth. |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS记录号 | WOS:000186365600019 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/23801]  |
| 专题 | 生态环境研究中心_土壤环境科学实验室 |
| 推荐引用方式 GB/T 7714 | Dong, YT,Wang, QR,Cui, YS,et al. Elemental sulfur effects on Pb and Zn uptake by Indian mustard and winter wheat[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2003,15(6):836-840. |
| APA | Dong, YT,Wang, QR,Cui, YS,&Li, HF.(2003).Elemental sulfur effects on Pb and Zn uptake by Indian mustard and winter wheat.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,15(6),836-840. |
| MLA | Dong, YT,et al."Elemental sulfur effects on Pb and Zn uptake by Indian mustard and winter wheat".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 15.6(2003):836-840. |
入库方式： OAI收割
来源：生态环境研究中心
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。