| 乌鲁木齐市农田土壤重金属含量及评价 |
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| 引用本文： | 易治伍,王灵,钱翌,孙静,朱建雯. 乌鲁木齐市农田土壤重金属含量及评价[J]. 干旱区资源与环境, 2009, 23(2): 150-154 |
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| 作者姓名： | 易治伍 王灵 钱翌 孙静 朱建雯 |
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| 作者单位： | 新疆农业大学草业与环境科学学院,乌鲁木齐,830052;青岛科技大学环境与安全工程学院,青岛,266042;新疆农业大学草业与环境科学学院,乌鲁木齐,830052;青岛科技大学环境与安全工程学院,青岛,266042 |
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| 基金项目： | 新疆维吾尔自治区高校科研计划科学研究重点项目(XJEDU2005I08)资助 |
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| 摘 要： | 本文对乌鲁木齐市农田土壤中的5种重金属进行总量分析,并对乌鲁木齐市农田土壤重金属评价。结果表明:乌鲁木齐市各乡镇土壤重金属平均含量分别为Cd0.53mg/kg,Hg0.07mg/kg,As 7.44mg/kg,Pb 24.83mg/kg,Cr72.51mg/kg;乌鲁木齐市农田重金属变异系数较大,农田土壤重金属分布不平衡;以国家土壤环境质量标准(二级)为标准评价,各元素的污染指数Cd>As>Cr>Hg>Pb,城郊22个乡镇农田重金属中有3个乡镇的综合污染指数大于1,乌鲁木齐市农田平均综合污染指数为0.66,污染程度为安全;以绿色食品土壤环境质量要求为标准评价,各元素的污染指数Cd>Cr>Pb>As>Hg,22个乡镇中有5个乡镇的综合污染指数大于1,乌鲁木齐市农田平均综合污染指数为1.05,属轻污染,表明作物开始受到污染,乌鲁木齐市农田土壤重金属含量超过绿色食品土壤环境质量要求。
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| 关 键 词： | 土壤 重金属 含量 评价 |
Heavy Metal Contents and Evaluation of Farmland Soil in Urumqi |
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| YI Zhi-wu,,WANG Ling,QIAN Yi,ZHU Jian-wen. Heavy Metal Contents and Evaluation of Farmland Soil in Urumqi[J]. Journal of Arid Land Resources and Environment, 2009, 23(2): 150-154 |
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| Authors: | YI Zhi-wu WANG Ling QIAN Yi ZHU Jian-wen |
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| Affiliation: | 1.College of Pratacultural and Environmental Sciences;Xinjiang Agricultural University;Urumqi 830052;2.College of Environment and Safety Engineering;Qingdao University of Science&Technology;Qingdao 266042;China |
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| Abstract: | The total quantity analysis was used to ascertain the 5 kind of heavy metals in soil of Urumqi farmland and to appraisal the soil heavy metal.The results showed that: The average levels of heavy metals in soil of Urumqi were:Cd 0.53mg/kg,Hg 0.07mg/kg,As 7.44mg/kg,Pb 24.83mg/kg,Cr72.51mg/kg;the coefficient variability of heavy metals in the farmland was large and imbalance.Using the state soil environmental quality standards(2) as the evaluation standard,the integrated pollution indexes of various elements w... |
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| Keywords: | soil heavy metals content evaluation |
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