A field study on persistence and mobility of metsulfuron-methyl in three tropical agricultural soils

Ismail Sahid, Chong Tet-Vun

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Studies on the persistence and mobility of metsulfuron-methyl in 3 soil types (Lating, Sungai Buluh, and Serdang Sedes) were conducted under field conditions. Two weeks after treatment (WAT), metsulfuron-methyl applied at 30 g/ha leached downward to the lowest depth of the soil profile of 30-40 cm in the Sungai Buluh and Serdang soils, but not in the Lating soil. At the recommended treatment rate (15 g/ha), no metsulfuron-methyl residue was detected in the lowest depth for the Lating series soil studied. At 1 WAT, a high percentage of the metsulfuron-methyl residue had accumulated in the top layer of the Lating soil compared with the other 2 soil types studied. The residue in the upper layer decreased as the period from application increased. The dissipation rate of metsulfuron-methyl was greater at the recommended rate than at double the recommended rate. The half-life of metsulfuron-methyl, at the application rate of 30 g/ha, was shorter in the Lating (approximately 8.2 days) than in the Sungai Buluh and Serdang soils (13.4 and 13.4 days, respectively) for the whole profile. However, the half-life of metsulfuron-methyl when applied at the recommended rate was shorter than when applied at double the recommended rate.

Original languageEnglish
Pages (from-to)27-35
Number of pages9
JournalAustralian Journal of Soil Research
Volume41
Issue number1
DOIs
Publication statusPublished - 2003

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metsulfuron
tropical soil
tropical soils
agricultural soils
agricultural soil
persistence
soil
half life
soil type
soil types
field study
rate
application rate
soil profiles
soil profile
dissipation

Keywords

  • Dissipation
  • Half-life
  • Leaching
  • Sulfonylurea herbicides

ASJC Scopus subject areas

  • Soil Science
  • Earth-Surface Processes

Cite this

A field study on persistence and mobility of metsulfuron-methyl in three tropical agricultural soils. / Sahid, Ismail; Tet-Vun, Chong.

In: Australian Journal of Soil Research, Vol. 41, No. 1, 2003, p. 27-35.

Research output: Contribution to journalArticle

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