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Research Journal of Environmental Sciences
  Year: 2008 | Volume: 2 | Issue: 4 | Page No.: 291-297
DOI: 10.3923/rjes.2008.291.297
 
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Accumulation of Zn, Cu, Ni and Pb in Soil and Leaf of Pinus eldarica Medw. Following Irrigation with Municipal Effluent

Azadeh Salehi and Masoud Tabari

Abstract:
In order to assess the long-term effect of effluent irrigation on heavy metals accumulation in soil and leaf, a case study was undertaken in two neighboring Pinus eldarica Medw. plantations irrigated with municipal effluent and well water (for at least 15 years) in south of Tehran. In either of both areas 16 trees were considered to collect the leaf samples. One soil profile was dug under each selected tree to take the samples in depths of 0-15, 15-30 and 30-60 cm. In laboratory, the concentration of Zn, Cu, Ni and Pb of effluent and well water, soil and leaf samples were determined. Results indicated that municipal effluent had higher concentration of Zn, Cu, Ni and Pb compared to well water. The concentrations of Zn, Ni and Pb of municipal effluent and Ni and Pb of well water were greater than the normal range. Heavy metal accumulation of soil were significantly greater in effluent-irrigated area and in depth of 0-15 cm. Pb concentration of soil irrigated with both treatments and Ni concentration of soil irrigated with municipal effluent were greater than the normal range. Zn and Cu concentrations in leaf of trees irrigated with effluent were significantly greater than those in well water. Neither Ni nor Pb was detected in leaves. In general, there was not elevation of heavy metal in leaves.
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How to cite this article:

Azadeh Salehi and Masoud Tabari, 2008. Accumulation of Zn, Cu, Ni and Pb in Soil and Leaf of Pinus eldarica Medw. Following Irrigation with Municipal Effluent. Research Journal of Environmental Sciences, 2: 291-297.

DOI: 10.3923/rjes.2008.291.297

URL: https://scialert.net/abstract/?doi=rjes.2008.291.297

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