|本期目录/Table of Contents|

[1]陈红卫,张重路,王一山,等.生物质炭对重金属污染土壤中汞的赋存形态及运移分配的影响[J].江苏农业科学,2018,46(08):312-315.
　Chen Hongwei,et al.Effects of biochar on speciation and distribution of mercury in soils contaminated by heavy metals[J].Jiangsu Agricultural Sciences,2018,46(08):312-315.
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生物质炭对重金属污染土壤中汞的赋存形态
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年08期
页码:
312-315
栏目:
资源与环境
出版日期:
2018-04-20

文章信息/Info

Title:
Effects of biochar on speciation and distribution of mercury in soils contaminated by heavy metals
作者:
陈红卫;  张重路;  王一山;  姚纳
河南科技学院，河南新乡 453003
Author(s):
Chen Hongwei; et al
关键词:
生物质炭; 土壤; 重金属; 汞; 修复
Keywords:
-
分类号:
S156.2；X53
DOI:
-
文献标志码:
A
摘要:
以不同用量生物质炭修复汞污染土壤为研究对象，通过盆栽方法采用BCR 3步连续提取法对土壤中Hg的赋存形态、生物可利用性及分配规律进行研究，探讨生物炭对褐土土壤Hg污染的控制效果。结果表明，生物质炭施用后明显提高了土壤pH值，平均每添加1%的生物质炭，可提高土壤pH值0.17个单位；生物质炭的添加改变了土壤中各形态Hg的分配，可有效降低水溶态Hg含量，提高残渣态和有机结合态Hg含量。平均每添加1%生物质炭，可降低重金属Hg生物有效性0.583 μg/kg，说明生物质炭的添加对重金属污染土壤Hg的运移分布及赋存形态具有明显的影响，随着生物质炭添加量的增加，重金属Hg被钝化在土壤中，有效降低了植物体内、淋溶液以及挥发至大气中的重金属Hg的含量。生物质炭具有修复和改良重金属污染土壤的特征。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2017-01-04
基金项目：国家自然科学基金(编号：51509085)。
作者简介：陈红卫(1966—)，男，河南博爱人，副教授，主要从事作物养分水分高效利用与推广研究。E-mail：chw27@qq.com。
更新日期/Last Update: 2018-04-20