Sorption and desorption of agro-pesticides in soils
Date
2020
Authors
Sarkar, B.
Mukhopadhyay, R.
Mandal, A.
Mandal, S.
Vithanage, M.
Biswas, J.K.
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Prasad, M.N.V.
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Book chapter
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Source details - Title: Agrochemicals Detection, Treatment and Remediation: Pesticides and Chemical Fertilizers, 2020 / Prasad, M.N.V. (ed./s), Ch.8, pp.189-205
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Abstract
Modern agricultural practices use a huge amount of agro-pesticides to control insect pests, pathogens, and unwanted weeds. Many of such agrochemicals persist in the soil and plant systems for long time and pose a risk of migration into the drinking water sources and food chain. Often these agrochemicals occur as a mixture of multiple compounds in the soil due to their simultaneous and/or subsequent seasonal applications. The mobility, fate, and transformation of agrochemicals depend largely on soil types, especially the type and content of soil clays, organic matter content, pH, and microbial activity. The sorption–desorption behaviors of agrochemicals on soil clays, which are the most reactive particle components of soils, may alter significantly when these compounds appear as a mixture. This chapter aims to discuss various soil attributes that control the sorption–desorption of agrochemical contaminants in soils under different soil–plant systems.
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Copyright 2020 Elsevier