Heavy metal content in paddy soils of Ketara, Besut, Terengganu, Malaysia

Khairiah Jusoh, M. S M Tharmendren, Habibah Jamil, H. Zulkefly, W. I Wan Kamal, Ismail Sahid

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A study to determine the heavy metal content in paddy soils was carried out at KETARA, Besut, Terengganu, Malaysia. The objective of the study was to determine the heavy metal content of the soil types in the study area. The heavy metals studied were Pb, Cd, Cu, Zn, Fe, Mn and Cr. Heavy metals in the soil were extracted using the sequential extraction method, which consists of four fractions namely the easily leachable and ion exchange (EFLE), acid reducible (AR), oxidizable organic (OO) and resistant (RR). Heavy metals were detected using an inductively coupled plasma mass spectrometer (ICP-MS). The study showed that the highest concentration of heavy metals was found in the resistant fraction (RR) for all the studied soils. Fe was the most dominant metal whereas Cd had the lowest concentration for all studied soil types. With the exception of Fe and Mn, the soils were naturally low in the respective heavy metals (Zn, Cu, Cr, Pb, Cd). The high amount of soil Fe and Mn in the studied soils could be attributed to the occurrence of Fe-Mn hydrous-oxide mottles. Meanwhile, the higher levels of Mn in the ELFE and AR fractions suggest that the continuous usage of agrochemical materials for paddy cultivation activities, rendered high bioavailable Mn in the soils. The elevated levels of Pb and Cd in the soils could possibly be attributed to anthropogenic sources.

Original languageEnglish
Pages (from-to)183-191
Number of pages9
JournalWorld Applied Sciences Journal
Volume19
Issue number2
DOIs
Publication statusPublished - 2012

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heavy metal
soil
soil type
acid
agrochemical
anthropogenic source
extraction method
ion exchange
spectrometer
oxide
plasma
metal

Keywords

  • Heavy metal
  • Paddy
  • Soil

ASJC Scopus subject areas

  • General

Cite this

Heavy metal content in paddy soils of Ketara, Besut, Terengganu, Malaysia. / Jusoh, Khairiah; Tharmendren, M. S M; Jamil, Habibah; Zulkefly, H.; Kamal, W. I Wan; Sahid, Ismail.

In: World Applied Sciences Journal, Vol. 19, No. 2, 2012, p. 183-191.

Research output: Contribution to journalArticle

Jusoh, Khairiah ; Tharmendren, M. S M ; Jamil, Habibah ; Zulkefly, H. ; Kamal, W. I Wan ; Sahid, Ismail. / Heavy metal content in paddy soils of Ketara, Besut, Terengganu, Malaysia. In: World Applied Sciences Journal. 2012 ; Vol. 19, No. 2. pp. 183-191.
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