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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP
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    Abstract - Issue Jan 2016, 37 (1)                                     Back


nstantaneous and historical temperature effects on a-pinene

Effect of calcium carbonate on cadmium and nutrients uptake in tobacco (Nicotiana tabacum L.) planted on contaminated soil 

 

 

Wei-Ai Zeng1, Fan Li1, Hang Zhou2, Xiao-Li Qin2, Zi-Jin Zou2, Tao Tian2, Min Zeng2* and Bo-Han Liao2

 

 1Changsha Company of Hunan Tobacco Company, Changsha-410 004, China

2College of Environmental Science and Technology, Central South University of Forestry and Technology, Changsha-410 004, China

*Corresponding Author E-mail: emailzm@163.com

 

 

 

Publication Data

Paper received:

24 July 2015

 

Revised received:

28 October 2015

 

Re-revised received:

09 November 2015

 

Accepted:

20 November 2015

 

Abstract

In the present study, calcium carbonate (CaCO3) was applied to Cd-contaminated soil at rates of 0, 0.5 and 1.0 g kg-1. The effect of CaCO3 on soil pH, organic matter, available Cd, exchangeable Cd and level of major nutrients in a tobacco field and on accumulation of various elements in tobacco plants was determined. The results showed that CaCO3 application significantly increased the pH level, available P and exchangeable Ca but decreased organic matter, available Cd, exchangeable Cd, available heavy metals (Fe, Mn, Zn and Cu) and available K in soil. Additionally, CaCO3 application substantially reduced Cd accumulation in tobacco roots, stems, upper leaves, middle leaves and lower leaves, with maximum decrease of 22.3%, 32.1%, 24.5%, 22.0% and 18.2%, respectively. There were large increase in total Ca and slight increases in total N and K but decrease to varying degrees in total Fe, Cu and Zn due to CaCO3 application. CaCO3 had little effect on total P and Mn levels in tobacco leaves.       

 

 

 Key words

Bioavailability, Calcium carbonate, Cadmium contaminated soil, Tobacco

 

 

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