The fate of imazapyr herbicide in the soil amended with carbon sorbents

Excessive application of agro-chemicals is a major factor in undesired environmental problems. Imidazolinone herbicides having high activity, leaching potential, and persistence are probable risks to ecosystems. Herbicides� stabilization using biochar is an efficient and cheap strategy to protect...

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Main Authors: Yavari, S., Kamyab, H., Asadpour, R., Sapari, N.B., Baloo, L., Manan, T.S.B.A., Ashokkumar, V., Chelliapan, S.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.29550 /
Published: Springer Science and Business Media Deutschland GmbH 2021
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85106410669&doi=10.1007%2fs13399-021-01587-7&partnerID=40&md5=f9ae9609274a5bd1b610fb1eb0526d6b
http://eprints.utp.edu.my/29550/
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spelling utp-eprints.295502022-03-25T02:09:00Z The fate of imazapyr herbicide in the soil amended with carbon sorbents Yavari, S. Kamyab, H. Asadpour, R. Yavari, S. Sapari, N.B. Baloo, L. Manan, T.S.B.A. Ashokkumar, V. Chelliapan, S. Excessive application of agro-chemicals is a major factor in undesired environmental problems. Imidazolinone herbicides having high activity, leaching potential, and persistence are probable risks to ecosystems. Herbicides� stabilization using biochar is an efficient and cheap strategy to protect the environment against their contaminations. The present study aimed to evaluate the effects of biochars produced from oil palm empty fruit bunches (EFB) and rice husk (RH) on imazapyr fate in soil. Initially, the optimized biochars were compared for their sorption-desorption capacities as soil modifiers. The herbicide leaching in the amended soils was investigated by leaching columns. The herbicide photolysis and bio-degradations� rates in the media were also evaluated during 70 days. Results indicated that the soil amendment significantly increased soil sorption capacity (up to 2.34-folds) and reduced the herbicide leaching. The lowest percentage of leached herbicide (2.8) and the highest percentage of retained herbicide (97.1) were achieved in EFB biochar-amended soil. The herbicide photo-degradation rate significantly reduced with a half-life of 38.5 days in non-amended soil to 53.3 days in EFB biochar-amended soils. The herbicide bio-degradation, however, increased with the biochars applications. In a conclusion, the optimized biochars have a high potential to protect the environment against herbicides hazards. © 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature. Springer Science and Business Media Deutschland GmbH 2021 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85106410669&doi=10.1007%2fs13399-021-01587-7&partnerID=40&md5=f9ae9609274a5bd1b610fb1eb0526d6b Yavari, S. and Kamyab, H. and Asadpour, R. and Yavari, S. and Sapari, N.B. and Baloo, L. and Manan, T.S.B.A. and Ashokkumar, V. and Chelliapan, S. (2021) The fate of imazapyr herbicide in the soil amended with carbon sorbents. Biomass Conversion and Biorefinery . http://eprints.utp.edu.my/29550/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Excessive application of agro-chemicals is a major factor in undesired environmental problems. Imidazolinone herbicides having high activity, leaching potential, and persistence are probable risks to ecosystems. Herbicides� stabilization using biochar is an efficient and cheap strategy to protect the environment against their contaminations. The present study aimed to evaluate the effects of biochars produced from oil palm empty fruit bunches (EFB) and rice husk (RH) on imazapyr fate in soil. Initially, the optimized biochars were compared for their sorption-desorption capacities as soil modifiers. The herbicide leaching in the amended soils was investigated by leaching columns. The herbicide photolysis and bio-degradations� rates in the media were also evaluated during 70 days. Results indicated that the soil amendment significantly increased soil sorption capacity (up to 2.34-folds) and reduced the herbicide leaching. The lowest percentage of leached herbicide (2.8) and the highest percentage of retained herbicide (97.1) were achieved in EFB biochar-amended soil. The herbicide photo-degradation rate significantly reduced with a half-life of 38.5 days in non-amended soil to 53.3 days in EFB biochar-amended soils. The herbicide bio-degradation, however, increased with the biochars applications. In a conclusion, the optimized biochars have a high potential to protect the environment against herbicides hazards. © 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
format Article
author Yavari, S.
Kamyab, H.
Asadpour, R.
Yavari, S.
Sapari, N.B.
Baloo, L.
Manan, T.S.B.A.
Ashokkumar, V.
Chelliapan, S.
spellingShingle Yavari, S.
Kamyab, H.
Asadpour, R.
Yavari, S.
Sapari, N.B.
Baloo, L.
Manan, T.S.B.A.
Ashokkumar, V.
Chelliapan, S.
The fate of imazapyr herbicide in the soil amended with carbon sorbents
author_sort Yavari, S.
title The fate of imazapyr herbicide in the soil amended with carbon sorbents
title_short The fate of imazapyr herbicide in the soil amended with carbon sorbents
title_full The fate of imazapyr herbicide in the soil amended with carbon sorbents
title_fullStr The fate of imazapyr herbicide in the soil amended with carbon sorbents
title_full_unstemmed The fate of imazapyr herbicide in the soil amended with carbon sorbents
title_sort fate of imazapyr herbicide in the soil amended with carbon sorbents
publisher Springer Science and Business Media Deutschland GmbH
publishDate 2021
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85106410669&doi=10.1007%2fs13399-021-01587-7&partnerID=40&md5=f9ae9609274a5bd1b610fb1eb0526d6b
http://eprints.utp.edu.my/29550/
_version_ 1741197260463538176
score 11.62408

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