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Open Access item Effects of humic acid concentration on the retention patterns of phenoxyacetic acids in soil

Authors:Dorado, José
Almendros Martín, Gonzalo
González-Vila, Francisco Javier
Issue Date:2000
Publisher:International Humic Substances Society
Citation:10 th International Meeting of the International Humic Substances Society 1: 409–412 (2000)
Abstract:Laboratory measurements of the retention of 10 phenoxyacetic pesticides in soil amended with progressive concentrations of humic acid (HA) ranging from 1 to 10(4) mg kg-1, showed sorption patterns depending on the pesticide structure and form (acid or ester). Some results point to competitive effects between pesticide and HA in the presence of the soil mineral matrix, partly accounting for a negative effect of low HA addition rates ( 100 mg kg-1) in the sorption of phenoxyacetics, mainly in acid forms.
Description:4 pages, 1 figure, 1 table, 16 references. Congreso declebrado del 24-28 de julio, 2000, en Toulouse (Francia).
Appears in Collections:(IRNAS) Comunicaciones congresos
(CCMA) Comunicaciones congresos

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