硫和白云石对皖中黄褐土铅形态分布的影响
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国际植物营养研究所(IPNI)项目(Anhui-15)和安徽省教育厅自然科学研究项目(2005KJ171)资助。


Effect of Sulphur and Dolomite on Fractional Distribution of Pb in Yellow-Cinnamon Soils of Middle Anhui Province
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    摘要:

    通过室内土壤培养试验,应用连续浸提分组方法,研究了S与白云石用量对黄褐土中重金属Pb形态分布的影响。结果表明,高S处理条件下,土壤pH下降,可交换态Pb有升高的趋势;白云石处理条件下,土壤pH升高,显著促进了可交换态Pb向碳酸盐结合态和铁锰氧化态转化,这种形态分布与白云石用量无明显关联,S的添加不足以改变白云石粉对黄褐土中Pb形态的影响。

    Abstract:

    Effect of the applied amount of sulphur and dolomite on Pb form distribution in yellow-cinnamon soil was investigated by indoor incubation experiment with the sequential extraction method. The results showed that the content of exchangeable Pb trended to increase with a single high sulphur treatment; soil pH value increased when treated with dolomite, which significantly promoted Pb transformed from the exchangeable form to the carbonate bond and the Fe/Mn oxides bond forms, moreover, it was hard to change this trend by either application of a single sulphur element or increasing the applied amount of dolomite in the studied range.

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梁丽芹,章力干,周可金,马成泽,杨晓虎.硫和白云石对皖中黄褐土铅形态分布的影响[J].土壤,2007,39(6):919-923. LIANG Li-qin, ZHANG Li-gan, ZHOU Ke-jin, MA Cheng-ze, YANG Xiao-hu. Effect of Sulphur and Dolomite on Fractional Distribution of Pb in Yellow-Cinnamon Soils of Middle Anhui Province[J]. Soils,2007,39(6):919-923

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  • 在线发布日期: 2017-05-18
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