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Title

Retention of thiazafluron by surface horizons of some spanish soils

AuthorsCox, L. ; Hermosín, M.C. ; Cornejo, J.
KeywordsAdsorption
Distribution coefficient
Herbicide
Thiazafluron
Clay
Illite
Issue Date1994
PublisherTechnische Universität München
CitationFresenius Environmental Bulletin 3: 129-134 (1994)
AbstractRetention of the substituted urea herbicide thiazafluron (1, 3-dimethyl-1-(5-trifluoromethyl- 1 ,3,4-thiadiazol-2-yllureal by surface horizons of 6 soils of Southern Spaín has been investigated. Soil retentíon has been expressed as the soíl/water distríbutíon coefficient Kd, calculated at 2 different thiazafluron solution concentratíon: Ci 0.05 and Cí = 0.5 m). Distríbution coefficients ranged from 0.53 to 4.39 (Ci = 0.05 mM) and from 0.38 to 3.39 (Ci 0.5 mM) mmole adsorbed IKg soil/mmole dissolved/L solution. Soíl clay content, and specially soil iHite content, appeared to be the most important single factors affectíng thiazafluron adsorption by soils.
Description6 pages, 3 tables, 19 references.-- cmartin@irnase.csic.es
URIhttp://hdl.handle.net/10261/67001
ISSN1018-4619
Appears in Collections:(IRNAS) Artículos
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