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| Hauptseite > Publikationsdatenbank > The influence of maize residues on the mobility and binding of benazolin: Investigating physically extracted soil fractions |
| Hauptseite > Publikationsdatenbank > The influence of maize residues on the mobility and binding of benazolin: Investigating physically extracted soil fractions |
| Journal Article | PreJuSER-56484 |
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2007
Elsevier Science
Amsterdam [u.a.]
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Please use a persistent id in citations: doi:10.1016/j.envpol.2006.09.020
Abstract: The amount of non-extractable residues and the distribution of benazolin and its metabolites were evaluated three months after herbicide application (14C-labelled) in physically extracted soil fractions of topsoil layers of undisturbed soil columns with and without incorporated maize straw (14C-labelled). In addition, a variety of wet-chemical and spectroscopic methods were used to characterise the structure of organic carbon within the different soil fractions. The addition of crop residues increased the amount of dissolved organic carbon, enhanced the aromaticity of the organic carbon structure and enforced the aggregation of organomineral complexes. After incorporation of crop residues, an increase in the formation of metabolic compounds of benazolin and of non-extractable residues was detected. These results indicate that the addition of crop residues leads to a decrease in mobility and bioaccessibility of benazolin and its metabolites.
Keyword(s): Environmental Monitoring: methods (MeSH) ; Environmental Remediation: methods (MeSH) ; Herbicides: analysis (MeSH) ; Imidazoles: analysis (MeSH) ; Imidazoles: metabolism (MeSH) ; Soil Pollutants: analysis (MeSH) ; Zea mays: metabolism (MeSH) ; Herbicides ; Imidazoles ; Soil Pollutants ; metizoline ; J ; benazolin (auto) ; herbicide (auto) ; maize residues (auto) ; organic carbon (auto) ; soil fractionation (auto)
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