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@article{1715436,
author = {Bošković, Nikola and BrandstatterandScherr, Kerstin and Sedlacek, Petr and Bílková, Zuzana and Bielská, Lucie and Hofman, Jakub},
article_location = {OXFORD},
article_number = {December 2020},
doi = {http://dx.doi.org/10.1016/j.chemosphere.2020.127637},
keywords = {Conazole fungicides; Epoxiconazole; Tebuconazole; Adorption; Soil},
language = {eng},
issn = {0045-6535},
journal = {Chemosphere},
note = {CZ.02.1.01/0.0/0.0/18_046/0015975 neuplatňovat.},
title = {Adsorption of epoxiconazole and tebuconazole in twenty different agricultural soils in relation to their properties},
url = {https://www.sciencedirect.com/science/article/pii/S0045653520318324?via%3Dihub},
volume = {261},
year = {2020}
}
TY - JOUR
ID - 1715436
AU - Bošković, Nikola - Brandstatter-Scherr, Kerstin - Sedlacek, Petr - Bílková, Zuzana - Bielská, Lucie - Hofman, Jakub
PY - 2020
TI - Adsorption of epoxiconazole and tebuconazole in twenty different agricultural soils in relation to their properties
JF - Chemosphere
VL - 261
IS - December 2020
SP - 1-9
EP - 1-9
PB - PERGAMON-ELSEVIER SCIENCE LTD
SN - 00456535
N1 - CZ.02.1.01/0.0/0.0/18_046/0015975 neuplatňovat.
KW - Conazole fungicides
KW - Epoxiconazole
KW - Tebuconazole
KW - Adorption
KW - Soil
UR - https://www.sciencedirect.com/science/article/pii/S0045653520318324?via%3Dihub
L2 - https://www.sciencedirect.com/science/article/pii/S0045653520318324?via%3Dihub
N2 - 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 K-oc and to Gibb's free energy (Delta G) and its values indicated that the adsorption of EPC and TBC is mainly weak physical adsorption - partitioning. Also, AG 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.
ER -
BOŠKOVI$\backslash$'C, Nikola, Kerstin BRANDSTATTER-SCHERR, Petr SEDLACEK, Zuzana BÍLKOVÁ, Lucie BIELSKÁ and Jakub HOFMAN. Adsorption of epoxiconazole and tebuconazole in twenty different agricultural soils in relation to their properties. \textit{Chemosphere}. OXFORD: PERGAMON-ELSEVIER SCIENCE LTD, 2020, vol.~261, December 2020, p.~1-9. ISSN~0045-6535. Available from: https://dx.doi.org/10.1016/j.chemosphere.2020.127637.
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