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Sorption and Mobility of Chlorimuron in Alabama Soils

Published online by Cambridge University Press:  12 June 2017

Andrew J. Goetz
Affiliation:
Dep. Agron. and Soils, Alabama Agric. Exp. Stn., Auburn Univ., AL 36849-5412
Robert H. Walker
Affiliation:
Dep. Agron. and Soils, Alabama Agric. Exp. Stn., Auburn Univ., AL 36849-5412
Glenn Wehtje
Affiliation:
Dep. Agron. and Soils, Alabama Agric. Exp. Stn., Auburn Univ., AL 36849-5412
Ben F. Hajek
Affiliation:
Dep. Agron. and Soils, Alabama Agric. Exp. Stn., Auburn Univ., AL 36849-5412

Abstract

Soil thin-layer chromatography and a soil solution technique were used to evaluate chlorimuron adsorption and mobility in five Alabama soils. The order of adsorption was atrazine > metribuzin > chlorimuron; mobility was chlorimuron > metribuzin > atrazine. The order of adsorption of chlorimuron in the five soils was Sumter clay > Eutaw clay > Lucedale fine sandy loam > Decatur silt loam > Dothan sandy loam, and Rf values were 0.63, 0.73, 0.69, 0.76, and 0.80, respectively. Chlorimuron mobility and adsorption were not highly correlated to any one soil type. Adsorption of all herbicides was inversely related to soil pH. Maximum chlorimuron adsorption in the Hiwassee loam was attributed to the high hematite and gibbsite content of the soil.

Type
Soil, Air, and Water
Copyright
Copyright © 1989 by the Weed Science Society of America 

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