Adsorption, desorption, and mobility of permethrin in Malaysian soils

Ismail Sahid, K. Kalithasan

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The adsorption, desorption, and mobility of permethrin in six tropical soils was determined under laboratory and greenhouse conditions. The six soils were selected from vegetable growing areas in Malaysia. Soil organic matter (OM) was positively correlated (r2 = 0.97) with the adsorption of permethrin. The two soils, namely, Teringkap 1 and Lating series with the highest OM (3.2 and 2.9%) released 32.5 and 30.8% of the adsorbed permethrin after four consecutive repetitions of the desorption process, respectively, compared to approximately 75.4% of the Gunung Berinchang soil with the lowest OM (1.0%) under the same conditions. The mobility of permethrin down the soil column was inversely correlated to the organic matter content of the soil. Permethrin residue penetrated only to the 10-15 cm zone in the Teringkap 1 soil with 3.2% OM but penetrated to a depth of more than 20 cm in the other soils. The Berinchang series soil with the lowest OM (1.0%) yielded leachate with 14. 8% permethrin, the highest level in leachates from all the soils tested. Therefore, the possibility for permethrin to contaminate underground water may be greater in the presence of low organic matter content, which subsequently allows a higher percentage of permethrin to move downwards through the soil column.

Original languageEnglish
Pages (from-to)419-429
Number of pages11
JournalJournal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes
Volume39
Issue number3
DOIs
Publication statusPublished - 2004

Fingerprint

Permethrin
permethrin
desorption
Adsorption
Desorption
adsorption
Soil
Soils
soil organic matter
Biological materials
organic matter
soil
soil column
leachate
leachates
tropical soil
vegetable
tropical soils
vegetable growing
Malaysia

Keywords

  • Adsorption
  • Desorption
  • Leaching
  • Permethrin

ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Chemistry
  • Public Health, Environmental and Occupational Health
  • Waste Management and Disposal

Cite this

Adsorption, desorption, and mobility of permethrin in Malaysian soils. / Sahid, Ismail; Kalithasan, K.

In: Journal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes, Vol. 39, No. 3, 2004, p. 419-429.

Research output: Contribution to journalArticle

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