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2016 | 25 | 1 |
Tytuł artykułu

Heavy metals in wheat grown in sewage irrigation: a distribution and prediction model

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Języki publikacji
The distribution of and prediction models for heavy metals in wheat were evaluated in Tianjin, China. The results indicated that there were high heavy metal concentrations (Zn, Cd, Cu, Pb, Cr, and Ni) in the wheat and that the Cd concentration (0.062mg·kg-1) in the seeds actually exceeded the national safety standard. The accumulation factors for the wheat’s seeds were of a decreasing order: Zn>Cd>Cu>Pb>Cr>Ni. The Cd concentration in the wheat’s seeds corresponded closely with the Cd concentration in the soil (r = 0.74). The predicting model was appropriate for predicting the concentration of Cd and Zn in wheat, and the r was 0.735 and 0.625, respectively.
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  • Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
  • University of Chinese Academy of Sciences, Beijing 100039, China
  • Tianjin Key Laboratory of Water Resource and Water Environment, Tianjin Normal University, Tianjin 300387, China
  • Center for Environmental Biotechnology, The University of Tennessee, Knoxville , 37996, USA
  • Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, P.R. China
  • Center for Environmental Biotechnology, The University of Tennessee, Knoxville , 37996, USA
  • Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
  • College of Environmental Science and Engineering, Liaoning Technical University, Fuxin 123000, China
  • Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
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