Adsorption and degradation of thiazopyr in compost-amended and non-amended soils
Adsorption and degradation of thiazopyr on two unamended soils and a soil amended annually during 8 years with compost were studied under laboratory conditions and compared with the results obtained on soils amended with fresh sewage sludge compost. The adsorption isotherms fitted the Freundlich equation well and a marked sorption increase was found in amended soils. Degradation data followed first-order kinetics and thiazopyr had a half-life of about 75 days at 25°C and 60% water-holding capacity of soil. The addition of fresh compost markedly decreased the rate of thiazopyr degradation, whereas the compost mineralised in the field after annual additions had only a small influence. Incubation studies with sterile soils showed a very significant decrease of the degradation rate, indicating that degradation by micro-organisms was the main pathway of thiazopyr degradation in the soils studied. © 2001 Society of Chemical Industry.
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Format: | artículo biblioteca |
Language: | English |
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Wiley
2001
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Subjects: | Thiazhopyr, Herbicides, Soil, Adsorption, Degradation, Compost, |
Online Access: | http://hdl.handle.net/20.500.12792/1378 http://hdl.handle.net/10261/292127 |
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dig-inia-es-10261-2921272023-02-20T07:25:47Z Adsorption and degradation of thiazopyr in compost-amended and non-amended soils Fernández, M. D. Sánchez-Brunete, C. Rodríguez, A. J. Tadeo Lluch, José Luis Thiazhopyr Herbicides Soil Adsorption Degradation Compost Adsorption and degradation of thiazopyr on two unamended soils and a soil amended annually during 8 years with compost were studied under laboratory conditions and compared with the results obtained on soils amended with fresh sewage sludge compost. The adsorption isotherms fitted the Freundlich equation well and a marked sorption increase was found in amended soils. Degradation data followed first-order kinetics and thiazopyr had a half-life of about 75 days at 25°C and 60% water-holding capacity of soil. The addition of fresh compost markedly decreased the rate of thiazopyr degradation, whereas the compost mineralised in the field after annual additions had only a small influence. Incubation studies with sterile soils showed a very significant decrease of the degradation rate, indicating that degradation by micro-organisms was the main pathway of thiazopyr degradation in the soils studied. © 2001 Society of Chemical Industry. 2023-02-20T07:25:47Z 2023-02-20T07:25:47Z 2001 artículo Pest Management Science 57(6): 560-563 (2001) 1526-498X http://hdl.handle.net/20.500.12792/1378 http://hdl.handle.net/10261/292127 10.1002/ps.320 1526-4998 en none Wiley |
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Thiazhopyr Herbicides Soil Adsorption Degradation Compost Thiazhopyr Herbicides Soil Adsorption Degradation Compost |
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Thiazhopyr Herbicides Soil Adsorption Degradation Compost Thiazhopyr Herbicides Soil Adsorption Degradation Compost Fernández, M. D. Sánchez-Brunete, C. Rodríguez, A. J. Tadeo Lluch, José Luis Adsorption and degradation of thiazopyr in compost-amended and non-amended soils |
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Adsorption and degradation of thiazopyr on two unamended soils and a soil amended annually during 8 years with compost were studied under laboratory conditions and compared with the results obtained on soils amended with fresh sewage sludge compost. The adsorption isotherms fitted the Freundlich equation well and a marked sorption increase was found in amended soils. Degradation data followed first-order kinetics and thiazopyr had a half-life of about 75 days at 25°C and 60% water-holding capacity of soil. The addition of fresh compost markedly decreased the rate of thiazopyr degradation, whereas the compost mineralised in the field after annual additions had only a small influence. Incubation studies with sterile soils showed a very significant decrease of the degradation rate, indicating that degradation by micro-organisms was the main pathway of thiazopyr degradation in the soils studied. © 2001 Society of Chemical Industry. |
format |
artículo |
topic_facet |
Thiazhopyr Herbicides Soil Adsorption Degradation Compost |
author |
Fernández, M. D. Sánchez-Brunete, C. Rodríguez, A. J. Tadeo Lluch, José Luis |
author_facet |
Fernández, M. D. Sánchez-Brunete, C. Rodríguez, A. J. Tadeo Lluch, José Luis |
author_sort |
Fernández, M. D. |
title |
Adsorption and degradation of thiazopyr in compost-amended and non-amended soils |
title_short |
Adsorption and degradation of thiazopyr in compost-amended and non-amended soils |
title_full |
Adsorption and degradation of thiazopyr in compost-amended and non-amended soils |
title_fullStr |
Adsorption and degradation of thiazopyr in compost-amended and non-amended soils |
title_full_unstemmed |
Adsorption and degradation of thiazopyr in compost-amended and non-amended soils |
title_sort |
adsorption and degradation of thiazopyr in compost-amended and non-amended soils |
publisher |
Wiley |
publishDate |
2001 |
url |
http://hdl.handle.net/20.500.12792/1378 http://hdl.handle.net/10261/292127 |
work_keys_str_mv |
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_version_ |
1767603302278627328 |