沈阳农业大学土地与环境学院,辽宁,沈阳,110866
纸质出版:2015
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张凯, 李军, 魏忠义, 等. 污泥有机肥改良铅锌尾矿对4种草本植物生长和重金属积累的影响[J]. 水土保持通报, 2015,35(2):167-172.
ZHANG Kai, LI Jun, WEI Zhongyi, et al. Effect of Lead-Zinc Mine Tailings Amended with Sewage Sludge Organic Fertilizer on Growth of Four Herbaceous Plants and Heavy Metal Accumulation[J]. Bulletin of Soiland Water Conservation, 2015, 35(2): 167-172.
张凯, 李军, 魏忠义, 等. 污泥有机肥改良铅锌尾矿对4种草本植物生长和重金属积累的影响[J]. 水土保持通报, 2015,35(2):167-172. DOI: 10.13961/j.cnki.stbctb.2015.02.033.
ZHANG Kai, LI Jun, WEI Zhongyi, et al. Effect of Lead-Zinc Mine Tailings Amended with Sewage Sludge Organic Fertilizer on Growth of Four Herbaceous Plants and Heavy Metal Accumulation[J]. Bulletin of Soiland Water Conservation, 2015, 35(2): 167-172. DOI: 10.13961/j.cnki.stbctb.2015.02.033.
[目的] 研究添加不同量的污泥有机肥对生长在铅锌尾矿中的黑麦草、白三叶、草木樨、沙打旺4种植物生长状况和对Pb
Zn
Cu
Cr
Cd累积的影响
以期为合理利用污泥有机肥改良、修复尾矿库提供理论依据。[方法] 采用盆栽试验的方法。[结果] 20 g/kg处理水平下
4种植物株高、根长、地上鲜重、根鲜重均达到最大。施肥处理下
供试的4种植物叶绿素a+b含量均比对照高。随着改良剂含量的增加
黑麦草、白三叶丙二醛含量呈下降趋势。黑麦草、白三叶、草木樨体内Pb
Zn
Cd含量在10 g/kg处理水平下达到最大
在20 g/kg水平下降低。[结论] 随着有机肥添加量的增加
重金属量向植物体内转移减少
有利于缓解重金属的毒害作用。
[Objective] This paper aimed to understand the effects of sewage sludge organic fertilizer application on the amendment of lead-zinc mine tailings through the measurements of growth responses of four potted plants and heavy metal accumulation in them
in order to provide a theoretical basis for the repairing and improving of tailings by rational utilization of sludge organic fertilizer.[Methods] We adopted pot experiment and used four plants named Lolium multiflorum
Trifolium repens
Melilotus suaveolens and Astragalus adsurgens
as materials.[Results] It showed that the height
root length
biomass of plants reached the maximum when 20 g/kg fertilizer was applied. The chlorophyll a+b contents in the four plants with fertilization treatment were higher than that of the control without fertilization. The more sludge organic fertilizer was applied
the lower content of MDA in Lolium multiflorum
Trifolium repens were measured. The contents of Pb
Zn
Cd inLolium multiflorum
Trifolium repens
Melilotus suaveolens reached the maximum when fertilizer was 10 g/kg
and decreased when fertilizer was 20 g/kg.[Conclusion] It indicates that with the increased application of sludge organic fertilizer
the amount of heavy metals in plants will decrease. Sludge organic fertilizer can help to alleviate the poisoning effects of heavy metals on plants.
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