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Study on the Effects of Tail Mineral Heavy Metals Pollution on Soil Enzymes' Activities

Jiangxia Li

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Abstract

The enzyme activities and heavy metal contents in soils polluted by abandoned tailings were studied.The results showed that soil of tail mineral polluted by different degrees of copper,zinc,lead and manganese.The soil enzymatic activities decreased significantly with increase of contamination of heavy metals,especially sucrose and urease activities.Multivariate regression analysis indicated that soil sucrose,urease and dehydrogenase activity were restrained by Mn,Pb,and Cu significantly,whereas they were prompted by Zn.

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The enzyme activities and heavy metal contents in soils polluted by abandoned tailings were studied.The results showed that soil of tail mineral polluted by different degrees of copper,zinc,lead and manganese.The soil enzymatic activities decreased significantly with increase of contamination of heavy metals,especially sucrose and urease activities.Multivariate regression analysis indicated that soil sucrose,urease and dehydrogenase activity were restrained by Mn,Pb,and Cu significantly,whereas they were prompted by Zn.

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Available abstract

The enzyme activities and heavy metal contents in soils polluted by abandoned tailings were studied.The results showed that soil of tail mineral polluted by different degrees of copper,zinc,lead and manganese.The soil enzymatic activities decreased significantly with increase of contamination of heavy metals,especially sucrose and urease activities.Multivariate regression analysis indicated that soil sucrose,urease and dehydrogenase activity were restrained by Mn,Pb,and Cu significantly,whereas they were prompted by Zn.

Key concepts: Urease, Environmental chemistry, Chemistry, Tailings, Manganese, Soil water, Soil contamination, Zinc

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