Knowledge Resource Center for Ecological Environment in Arid Area
干旱区绿洲土壤中胡萝卜对Zn-Ni复合污染的响应 | |
其他题名 | Responses of Carrot under Zn-Ni Combined Pollution in Arid Oasis Soil |
臧振峰; 南忠仁; 王胜利 | |
来源期刊 | 西北农业学报 |
ISSN | 1004-1389 |
出版年 | 2011 |
卷号 | 20期号:10页码:85-89 |
中文摘要 | 通过盆栽试验,分析Zn-Ni复合污染对胡萝卜生长及其Zn、Ni吸收累积特征的影响。结果表明,Zn-Ni复合污染下,低于TS5(Zn 450 mg/kg、Ni 350 mg/kg)处理水平促进胡萝卜生长,超过这个处理水平,胡萝卜生长受到不同程度抑制,其生物量在TS8 (Zn 1 000 mg/kg、Ni 1 100 mg/kg)处理水平显著下降(P<0.05)。胡萝卜块茎、茎叶对Zn、Ni的富集能力为Zn > Ni, 即Zn更容易由土壤进入胡萝卜体内。Zn、Ni在胡萝卜体内由地下部分向地上部分的迁移能力为Zn > Ni,表明Zn更容易由胡萝卜地下部分向地上部分迁移。由Zn、Ni的转移系数可知,Zn主要累积在胡萝卜的茎叶中,而Ni主要累积于胡萝卜的块茎中,所以Ni可能更容易对人类健康造成威胁。 |
英文摘要 | Growth responses of carrot and its accumulation characteristics of Zn and Ni were analyzed under Zn-Ni combined pollution through pot experiment. The results showed that when the amendments were lower than TS5 (Zn 450 mg/kg and Ni 350 mg/kg), the growth of carrot was promoted under Zn-Ni combined pollution, once over TS5, that was inhibited to different extent, especially, the biomass of carrot decreased significantly at TS8 (Zn 1 000 mg/kg and Ni 1 100 mg/kg). The accumulation ability of tuber and stem leaf of carrot was Zn > Ni, i.e. Zn was easier to be accumulated from soil to issues of carrot than Ni. The translocation ability of Zn and Ni in carrot was Zn > Ni, which indicated that Zn was easier to transport from tuber to stem leaf. Being illustrated by the translocation factors of Zn and Ni, it can be concluded that Zn mainly accumulate in the stem leaf of carrot, but Ni mainly in the tuber of carrot, so Ni may be easier to pose health threats to humans. |
中文关键词 | 绿洲土壤 ; 胡萝卜 ; Zn-Ni复合污染 ; 响应 |
英文关键词 | Oasis soil Carrot Zn-Ni combined pollution Responses |
语种 | 中文 |
国家 | 中国 |
收录类别 | CSCD |
WOS类目 | ENVIRONMENTAL SCIENCES |
WOS研究方向 | Environmental Sciences & Ecology |
CSCD记录号 | CSCD:4360424 |
来源机构 | 兰州大学 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/227231 |
作者单位 | 兰州大学资源环境学院, 西部环境教育部重点实验室, 兰州, 甘肃 730000, 中国 |
推荐引用方式 GB/T 7714 | 臧振峰,南忠仁,王胜利. 干旱区绿洲土壤中胡萝卜对Zn-Ni复合污染的响应[J]. 兰州大学,2011,20(10):85-89. |
APA | 臧振峰,南忠仁,&王胜利.(2011).干旱区绿洲土壤中胡萝卜对Zn-Ni复合污染的响应.西北农业学报,20(10),85-89. |
MLA | 臧振峰,et al."干旱区绿洲土壤中胡萝卜对Zn-Ni复合污染的响应".西北农业学报 20.10(2011):85-89. |
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