| 不同蔬菜对土壤Cd、Pb的累积能力研究 |
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| 引用本文： | 刘恩玲,王亮,孙继,潘琇.不同蔬菜对土壤Cd、Pb的累积能力研究[J].土壤通报,2011(3). |
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| 作者姓名： | 刘恩玲 王亮 孙继 潘琇 |
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| 作者单位： | 温州科技职业学院(温州市农科院)生态环境研究所;温州科技职业学院(温州市农科院)蔬菜科学研究所; |
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| 基金项目： | 温州市科技局项目N2004B011资助 |
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| 摘 要： | 采用盆钵实验法,研究不同蔬菜对土壤Cd、Pb的吸收能力差异。结果表明蔬菜对土壤Cd、Pb吸收能力的种间差异十分显著。不同作物可食部分对镉的富集能力为:青菜>萝卜>莴苣>四季豆>黄瓜>番茄;不同作物可食部分对Pb的富集能力为:青菜>四季豆、萝卜>黄瓜>番茄、莴笋。作物的Cd、Pb吸收量与土壤浓度正相关;随着土壤含量的增加,青菜和萝卜的Cd、Pb累积系数显著提高,而黄瓜和四季豆的Pb累积系数则大幅降低;铅镉交互作用对作物的铅吸收无显著影响,但对镉吸收有显著影响,尤其是萝卜的Cd吸收量随土壤Pb的增加而明显降低。与其他作物相比,番茄Cd、Pb富集能力均较小,在轻度铅镉污染的农田中种植其食品安全的风险性较低。
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| 关 键 词： | 蔬菜 食用部位 镉 铅 累积 种间差异 |
Uptake and Accumulation of Cd and Pb in Different Vegetables from Soil |
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| LIU En-ling a,WANG Liang a,SUN Ji b,PAN Xiu a a.Uptake and Accumulation of Cd and Pb in Different Vegetables from Soil[J].Chinese Journal of Soil Science,2011(3). |
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| Authors: | LIU En-ling a WANG Liang a SUN Ji b PAN Xiu a a |
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| Institution: | LIU En-ling a,WANG Liang a,SUN Ji b,PAN Xiu a(Wenzhou Science And Technology Vocational College(Wenzhou Academy of Agriculture Science) a.Institute of Ecology and Environment,b.Institute of Vegetable,Wenzhou 325006,China) |
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| Abstract: | Heavy metal pollution in agricultural land becomes more and more serious in recent years.How to use the contaminated agricultural land in safe way becomes the most important and urgent thing.If we can evaluate the heavy metal adsorption charateristics of different vegetables correctly,we should reduce the harm which heavy metal does to human healthy efficiently.In this article,a pot experiment was conducted to study the interspecific differences of Cd and Pb accumulation of vegetables.The result showed the ... |
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| Keywords: | Vegetable Edible parts Cd Pb Accumulation Interspecific difference |
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