Influence of the amendment of corn straw on the degradation behaviour of the fungicide dithianon in soil
Abstract
Degradation studies were conducted with the fungicide (14)C-dithianon under standard conditions for 64 days in soil. The compound is characterized by mineralization losses of approx. 33% and the formation of non-extractable (bound) residues of approx. 63% in 64 days. The microbial activity of the soil was stimulated by an amendment of corn straw simulating post-harvest conditions. This addition of straw decreased the mineralization of the compound initially. At the end of the incubation period, however, the mineralization rate was higher in the straw amended soil compared to the control. The addition of straw increased the amount of radiocarbon in the desorption solutions. Thus higher amounts of incorporated radiocarbon could be found in the biomass of the amended soil. Model calculations show that the straw amendment has a sustained influence on the mineralization of the compound. Potential mechanisms of the effect of dissolved organic matter on the sorption/desorption equilibrium are discussed.
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In straw-amended soil, dithianon mineralization was initially retarded, but later microbial activity (dimethylsulfoxide-reductase) was stimulated, resulting in a higher mineralization rate and identical amounts of mineralized dithianon after 64 days.
“In a straw-amended soil, the mineralization of the fungicide dithianon was initially retarded.However, the microbial activity as measured by dimethylsulfoxide-reductase was later stimulated by the amendment, resulting in a higher mineralization rate and identical amounts of mineralized dithianon after 64 days (Wanner et al., 2005).”
From Comparing straw, compost, and biochar regarding their suitability as agricultural soil amendments to affect soil structure, nutrient leaching, microbial communities, and the fate of pesticides (2021) · cites this paper as Wanner et al., 2005
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Siedt, M., Schäffer, A., Smith, K. E. C., Nabel, M., Roß-Nickoll, M., & van Dongen, J. T. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.141607 · Cited by 543 · see citing works
Influence of organic amendment on the biodegradation and movement of pesticides
Briceño, G., Palma, G., & Durán, N. (2007) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643380600987406 · Cited by 187 · see citing works
- Authors
- Wanner, U., Führ, F., & Burauel, P.
- Affiliations
- Forschungszentrum Jülich (DE)
- Corresponding author
- Burauel, Peter
- ORCID
- Burauel, Peter
- Venue
- Environmental Pollution
- Publisher
- Elsevier BV
- Published
- 2005-01
- Volume
- 133
- Issue
- 1
- Pages
- 63-70
- ISSN
- 0269-7491 (ISSN-L)
- OpenAlex
- W1985464177
- Cited by
- 43
- References
- 0
- Citations by year
- 2025: 1 · 2023: 1 · 2022: 2 · 2021: 4 · 2020: 4 · 2019: 2 · 2018: 1 · 2017: 3 · 2016: 2 · 2015: 2 · 2014: 4 · 2013: 2 · 2012: 1
- FWCI
- 2.04
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Environmental Pollution (publishedVersion)
- PubMed (publishedVersion)
- JuSER (Forschungszentrum Jülich) (submittedVersion)
- Topics
- Physical Sciences › Environmental Science › Pollution › Pesticide and Herbicide Environmental Studies
- Life Sciences › Agricultural and Biological Sciences › Food Science › Pesticide Residue Analysis and Safety
- Physical Sciences › Environmental Science › Environmental Chemistry › Environmental Chemistry and Analysis
- Keywords
- dithianon, fungicide degradation, organic amendments, pesticide mineralization, non-extractable residues, soil microbial activity, dissolved organic matter
- MeSH terms
- Anthraquinones, Biodegradation, Environmental, Zea mays, Fungicides, Industrial, Pesticide Residues, Soil Pollutants
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