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Journal of Applied Sciences
  Year: 2006 | Volume: 6 | Issue: 9 | Page No.: 2110-2116
DOI: 10.3923/jas.2006.2110.2116
 
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Soil Pollution by Heavy Metals and Remediation (Mazandaran-Iran)

M.R. Kalantari, M. Shokrzadeh , A.G. Ebadi , C. Mohammadizadeh , M.I. Choudhary and Atta-ur-Rahman

Abstract:
Heavy metals and metalloids are an increasing environmental problem worldwide. Some industrial activities and agricultural practices increase their level in the substrate and the possible introduction of these elements in the food chain is an increasing human health concern. The protection and restoration of soils and water contaminated with heavy metals generate a great need to develop efficient adsorbents for these pollutants. Agricultural fertilizers which contain small amounts of cadmium and lead is widely applied and used in Iran. However, both these heavy metals remain below toxic levels. In contrast, contamination of lowland rice fields by sewage sludge from textile plants and some mining has increased the heavy metal content of the soil and reduced rice yields in these areas (Mazandaran province). Currently remediation of polluted soil is being carried out, using plants such as Vetiveria zizanioides and Eichornia crassipes, plus applications of zeolite in some areas of Meandering province of Iran. This mini review firstly indicate general objectives about remediation and then deal with to some activies about agricultural soil remediation that contaminated with some heavy metals (specially, Pb and Cd in Mazandaran province of Iran. We conclude that above mentioned species, may be an effective species for phytoextraction and should be tested for this purpose in field conditions.
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How to cite this article:

M.R. Kalantari, M. Shokrzadeh , A.G. Ebadi , C. Mohammadizadeh , M.I. Choudhary and Atta-ur-Rahman , 2006. Soil Pollution by Heavy Metals and Remediation (Mazandaran-Iran). Journal of Applied Sciences, 6: 2110-2116.

DOI: 10.3923/jas.2006.2110.2116

URL: https://scialert.net/abstract/?doi=jas.2006.2110.2116

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