HUANG Ya-xi,LI Ji,LI Gno-xue,et al.Heavy Metal Accumulation in Lettuce in Soil Amended with Sewage Sludge Compost[J].HEILONGJIANG AGRICULTURAL SCIENCES,2005,(06):15-18.[doi:10.11942/j.issn1002-2767.2005.06.0015]
施用污泥堆肥对土壤和生菜重金属积累特性的影响
- Title:
- Heavy Metal Accumulation in Lettuce in Soil Amended with Sewage Sludge Compost
- 文章编号:
- 1002-2767(2005)05-0015-04
- Keywords:
- sludge composting; heavy metal; lettuce
- 分类号:
- S636.2;S147.2
- 文献标志码:
- A
- 摘要:
- 随着污泥堆肥施用量的增加,虽然盆栽生菜的总干重产量也随之增加,但土壤和生菜地上部 组织的重金属含量也显著增加,当施用量≥10%时,地上部组织的重金属含量超过国家食品卫生标 准;施用污泥肥料虽然地上部组织的重金属含量没有超过国家标准,但不同采收期重金属含量不同,适时采收可以降低地上部组织中重金属的含量
- Abstract:
- Heavy Metal Accumulation in Lettuce in Soil Amended with Sewage Sludge CompostAbstract: Along with the increase of sewage sludge compost using, the total dry weight of pottedlettuce increased, but the content of heavy metals in soil and the top tissue of lettuce plot also in-creased remarkably. when using quantity≥10%, the content of heavy metals in the top tissuewas over national criterion of food sanitation; using sewage sludge fertilizer the content of heavymetals in the top tissue wasn’t over national criterion, but in different reaping time the contentwas different, reaping aptly could decrease the content of heavy metals accumulation in the toptissue
参考文献/References:
[1]姜泳文.城市污水处理厂污泥的管道运输[J].冶金矿山设计 与建设,2000,32(2):32-36.
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备注/Memo
收稿日期:2005-07-03