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BOŠKOVIĆ, N. -- BRANDSTÄTTER SCHERR, K. -- SEDLÁČEK, P. -- BÍLKOVÁ, Z. -- BIELSKÁ, L. -- HOFMAN, J. Adsorption of epoxiconazole and tebuconazole in twenty different agricultural soils in relation to their properties. Chemosphere. 2020. v. 261, no. December, ISSN 0045-6535.

Original name:
Adsorption of epoxiconazole and tebuconazole in twenty different agricultural soils in relation to their properties
Czech name:
Written by (author):
Nikola Bošković
Kerstin Brandstätter Scherr
Ing. Petr Sedláček
Zuzana Bílková
Mgr. Bc. Lucie Bielská, Ph.D.
Jakub Hofman
Department:
Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition
Kind of publication:
article in a professional periodical
Periodical:
Chemosphere
Nature of article:
paper
Volume no. (year): 261
Periodical number within the volume:
December
Year of publication:
2020
Starting page:
Up to page:
Number of pages:
9
Sub-specification:
článek je obsažen v databázi Web of Science
UT code by Web of Science:
EID code by Scopus:
Form of publication:
printed version
Original language:
English
Description in original language:
Conazole fungicides are currently used pesticides with considerable chronic toxicity and ecotoxicity that are also on EU list for substitution. They enter the soil forming short- or long-term residues. In this study two of their representatives, epoxiconazole (EPC) and tebuconazole (TBC), have been tested with 20 soils from the Czech Republic for their adsorption. Adsorption, by means of Kd coefficients, was compared to "basic" (TOC, pH, clay ...) and "advanced" (surface area, minerals.) soil properties. After doing multivariate analysis of the variables it was apparent that adsorption of both pesticides was highly associated with pH (negatively correlated), and less associated with soil organo-mineral complex (TOC, clay and surface area) and C and N in soil organic matter (OM). Particle sizes or cation exchange capacity (CEC) did not show correlation with adsorption, but showed an association in multidimensional space in factor analysis (FA). Some correlations were revealed between EPC adsorption and soil organic matter parameters. Recalculating Kd to Koc and to Gibb's free energy (ΔG) and its values indicated that the adsorption of EPC and TBC is mainly weak physical adsorption - partitioning. Also, ΔG values gave better correlation with pH(H2O) than Kd. Surface area impacted EPC adsorption. From the several soil minerals, kaolinite showed EPC and TBC adsorption. EPC adsorption was not highly influenced with pH changes compared to TBC. The number and types of H-bonds with molecular geometry govern the sorption, which might crucially affect leachibility in soil, and this may indicate that TBC is more leachable than EPC for the same soil.
Description in English:
Description in Czech:
Year of submission:
2020
Year of transmission:
RIV identification number:
 
Entry made by:
Last change:
08/04/2020 11:13 (Mgr. Kamila Zoufalá)

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Source specification:

Chemosphere. ISSN 0045-6535.

Original name:
Chemosphere
English name:
Czech name:
Written by (author):
Kind of publication:
magazine
ISSN:
0045-6535
Country of publisher: United Kingdom of Great Britain and Northern Ireland
Place of publishing:
Publisher: Pergamon-Elsevier Science LTD
URL:
Reviewed magazine: no
Original language:
Description in original language:
Description in English:
Description in Czech:
 
Entry made by: prof. RNDr. Bořivoj Klejdus, Ph.D.
Last change:
03/14/2012 20:46 (Ing. Aleš Kutín)

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