Effect of peat, compost, and charcoal on transport of fipronil in clay loam soil and sandy clay loam soil

This study used 30 cm long packed by 3 kg soil columns to explore the effects of peat, compost, and charcoal at 5% on the movement of fipronil (99.9 % purity) in clay loam soil and sandy clay loam soil. The soil columns were preconditioned with calcium chloride solution (0.01 M) before appl...

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Main Author: Mohamed Riad Fouad
Format: Article
Language:English
Published: Growing Science 2023-01-01
Series:Current Chemistry Letters
Online Access:http://www.growingscience.com/ccl/Vol12/ccl_2022_64.pdf
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author Mohamed Riad Fouad
author_facet Mohamed Riad Fouad
author_sort Mohamed Riad Fouad
collection DOAJ
description This study used 30 cm long packed by 3 kg soil columns to explore the effects of peat, compost, and charcoal at 5% on the movement of fipronil (99.9 % purity) in clay loam soil and sandy clay loam soil. The soil columns were preconditioned with calcium chloride solution (0.01 M) before applying the pesticide and potassium iodide. Potassium iodide solution (0.2 M) was added at a rate of 10 mL as a water tracer and a quantity of fipronil solution (10 µg g-1soil) was applied on the soil surface of each column. Next, fipronil was leached from the soil columns with a calcium chloride solution (0.1 M) and the leachates were collected and analyzed. The results show that water tracer I- leached fast in soil columns. The breakthrough curve of fipronil appeared from leachates of soil columns after iodide for a while, indicating that fipronil is a moderate or lower mobile compound depending on type of soil and type of soil amendments. In general, adding soil amendments (peat, compost, and charcoal) to clay loam soil and sandy clay loam soil resulted in improved fipronil adsorption and decreased the amount of fipronil that leached into groundwater. This study is very useful for preserving groundwater from pollution, especially in the Middle East due to the lack of water sources.
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spelling doaj.art-c9b8fbb38223420db7d96621297ec6472023-01-15T11:00:22ZengGrowing ScienceCurrent Chemistry Letters1927-72961927-730X2023-01-0112228128810.5267/j.ccl.2022.12.011Effect of peat, compost, and charcoal on transport of fipronil in clay loam soil and sandy clay loam soilMohamed Riad Fouad This study used 30 cm long packed by 3 kg soil columns to explore the effects of peat, compost, and charcoal at 5% on the movement of fipronil (99.9 % purity) in clay loam soil and sandy clay loam soil. The soil columns were preconditioned with calcium chloride solution (0.01 M) before applying the pesticide and potassium iodide. Potassium iodide solution (0.2 M) was added at a rate of 10 mL as a water tracer and a quantity of fipronil solution (10 µg g-1soil) was applied on the soil surface of each column. Next, fipronil was leached from the soil columns with a calcium chloride solution (0.1 M) and the leachates were collected and analyzed. The results show that water tracer I- leached fast in soil columns. The breakthrough curve of fipronil appeared from leachates of soil columns after iodide for a while, indicating that fipronil is a moderate or lower mobile compound depending on type of soil and type of soil amendments. In general, adding soil amendments (peat, compost, and charcoal) to clay loam soil and sandy clay loam soil resulted in improved fipronil adsorption and decreased the amount of fipronil that leached into groundwater. This study is very useful for preserving groundwater from pollution, especially in the Middle East due to the lack of water sources.http://www.growingscience.com/ccl/Vol12/ccl_2022_64.pdf
spellingShingle Mohamed Riad Fouad
Effect of peat, compost, and charcoal on transport of fipronil in clay loam soil and sandy clay loam soil
Current Chemistry Letters
title Effect of peat, compost, and charcoal on transport of fipronil in clay loam soil and sandy clay loam soil
title_full Effect of peat, compost, and charcoal on transport of fipronil in clay loam soil and sandy clay loam soil
title_fullStr Effect of peat, compost, and charcoal on transport of fipronil in clay loam soil and sandy clay loam soil
title_full_unstemmed Effect of peat, compost, and charcoal on transport of fipronil in clay loam soil and sandy clay loam soil
title_short Effect of peat, compost, and charcoal on transport of fipronil in clay loam soil and sandy clay loam soil
title_sort effect of peat compost and charcoal on transport of fipronil in clay loam soil and sandy clay loam soil
url http://www.growingscience.com/ccl/Vol12/ccl_2022_64.pdf
work_keys_str_mv AT mohamedriadfouad effectofpeatcompostandcharcoalontransportoffipronilinclayloamsoilandsandyclayloamsoil