Manganese speciation in selected agricultural soils of peninsular Malaysia

Habibah Jamil, Khairiah Jusoh, Ismail Sahid, M. D. Kadderi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Manganese speciation in selected agricultural soils of Peninsular Malaysia is discussed in this study. Manganese concentration in the Easily Leacheable and Ion Exchangeable (ELFE), Acid Reducible (AR), Organic Oxidizable (OO) and Resistant (RR) fractions of soils developed on weathered rocks, soils of mixed nature, alluvium and peat deposits are described. The total manganese concentration in soils developed on weathered rocks was found to be higher than that in soils of mixed nature, alluvium and peat deposits because of the occurrence of resistant manganese oxide at the topsoils. Manganese speciation in paddy soils is influenced by the redox condition resulting from the alternate flooding and drying of the soils. Under reducing conditions, this metal tends to get dissolved and be available for plant uptake. Upon oxidation, manganese is precipitated into the acid reducible fraction as poorly crystalline manganese oxide and hydroxide and/or the resistant Fe-Mn mottles. In non-paddy cultivated alluvial soils, manganese speciation varies widely and is less understood. For the non-paddy cultivated peat soils, manganese is mainly associated with organic material, as indicated by the high manganese concentration in the OO fraction.

Original languageEnglish
Pages (from-to)148-156
Number of pages9
JournalAmerican Journal of Environmental Sciences
Volume10
Issue number2
DOIs
Publication statusPublished - 7 Apr 2014

Fingerprint

agricultural soil
Manganese
manganese
Soils
Peat
soil
manganese oxide
Manganese oxide
alluvial deposit
peat
Deposits
Rocks
peat soil
redox conditions
Organic acids
organic acid
rock
topsoil
hydroxide
flooding

Keywords

  • Agricultural soils
  • Mangenese speciation
  • Peninsular Malaysia

ASJC Scopus subject areas

  • Pollution
  • Ecology

Cite this

Manganese speciation in selected agricultural soils of peninsular Malaysia. / Jamil, Habibah; Jusoh, Khairiah; Sahid, Ismail; Kadderi, M. D.

In: American Journal of Environmental Sciences, Vol. 10, No. 2, 07.04.2014, p. 148-156.

Research output: Contribution to journalArticle

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