Effects of Earthworm Activity on Soil Nutrient in Copper Tailings

ZHANG Heng; ZHU Yongheng; HAN Fei

doi:10.13961/j.cnki.stbctb.2015.06.032

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Effects of Earthworm Activity on Soil Nutrient in Copper Tailings

- Effects of Earthworm Activity on Soil Nutrient in Copper Tailings
- Bulletin of Soiland Water Conservation Vol. 35, Issue 6, Pages: 178-181(2015)
- 作者机构：
  
  1. 安徽师范大学国土资源与旅游学院,安徽,芜湖,241003
  2. 安徽自然灾害过程与防控研究省级实验室,安徽,芜湖,241003
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.06.032
  CLC：
- Published：2015
- 稿件说明：
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ZHANG Heng, ZHU Yongheng, HAN Fei. Effects of Earthworm Activity on Soil Nutrient in Copper Tailings[J]. Bulletin of Soiland Water Conservation, 2015, 35(6): 178-181.
DOI：

ZHANG Heng, ZHU Yongheng, HAN Fei. Effects of Earthworm Activity on Soil Nutrient in Copper Tailings[J]. Bulletin of Soiland Water Conservation, 2015, 35(6): 178-181. DOI： 10.13961/j.cnki.stbctb.2015.06.032.

摘要

[目的] 研究蚯蚓活动对铜尾矿废弃地土壤养分的影响

以期为利用土壤动物进行铜尾矿生态恢复提供参考。[方法] 在室内恒温(20℃)条件下培养1个月

共设置8种处理进行试验。[结果] (1)接种蚯蚓对土壤养分的影响强弱顺序依次为:有效磷 >有机质 >速效钾 >碱解氮

且随着蚯蚓密度的增加土壤养分的含量呈上升趋势;(2)添加秸秆后接种蚯蚓对铜尾矿废弃地土壤养分的影响强弱顺序依次为:有效磷 >碱解氮 >速效钾 >有机质

且随着蚯蚓密度的增加土壤养分的含量呈上升趋势;(3)接种蚯蚓且添加秸秆比仅接种蚯蚓对土壤养分的影响大

且影响速度表现为:有效磷 >速效钾 >碱解氮 >有机质。[结论] 蚯蚓对铜尾矿废弃地土壤养分的恢复具有促进作用

蚯蚓密度越大影响作用越强。

Abstract

[Objective] To study the influence of earthworm activities on soil nutrients in copper mine tailings in order to provide references for the ecological restoration by soil animals in copper tailings.[Methods] 8 treatments were designed and lasted for one month in laboratory(20℃).[Results] (1) The inoculation of earthworm affected the soil nutrients as following order:phosphorus >organic matter >K >available nitrogen. Soil nutrients content increased with the increase of earthworm density;(2) The inoculation of earthworm with the coverage of straw on copper tailings affected the soil nutrients as phosphorus >available nitrogen >K >organic matter

and soil nutrients content increased with the increase of the earthworm density;(3) Earthworm inoculation with coverage of straw showed higher impact on soil nutrients than earthworm inoculation only

and the affecting speed were as phosphorus >K >available nitrogen >organic matter.[Conclusion] Earthworms do have effect on soil nutrient restoration in copper mine tailings

the greater the earthworm density

the higher the impact.

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references

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