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Distribution of Arsenic and Trace Metals in the Floodplain Agricultural Soil of Bangladesh

  • Dewan Ali Ahsan
  • Tomas Angel DelValls
  • Julian Blasco
Article

Abstract

Arsenic contaminated groundwater of Bangladesh is one of the largest natural calamities of the world. Soil samples were collected from floodplain agricultural land of Faridpur and Dhamrai regions to estimate the concentration of arsenic and other trace metals (copper, nickel, zinc, chromium, cadmium, lead, selenium, cobalt, mercury, and manganese). Average arsenic in Faridpur soil was recorded more than three times higher than the world limit and nearly five times higher than that of Dhamrai. The average copper, chromium and cobalt both in Faridpur and Dhamrai agricultural soil were also higher than the Dutch and the world standards. Both Fardipur and Dhamrai soil contain low amount of selenium in comparison to world limit (0.7 mg kg−1). A poor correlation between manganese and arsenic was noticed in Faridpur. This may be played a subordinate role in the fixation of arsenic in soil. This study also reveals that the area which has arsenic and trace metal contaminated groundwater may also contain high level of arsenic and trace metals in the agricultural soil due to irrigation with contaminated groundwater.

Keywords

Bangladesh Arsenic Pollution Agricultural soil 

Notes

Acknowledgements

This work has been funded by UNESCO/UNITWIN/WiCop under the environmental quality research activities of University of Cádiz.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Dewan Ali Ahsan
    • 1
  • Tomas Angel DelValls
    • 1
  • Julian Blasco
    • 2
  1. 1.UNESCO/UNITWIN/WiCop. Department of Physical-Chemistry. Faculty of Marine and Environmental SciencesUniversity of CadizPuerto RealSpain
  2. 2.Department of Ecology and Coastal ManagementInstitute of Marine Science of Andalusia (CSIC)Puerto RealSpain

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