Arbuscular mycorrhizal fungi and biochar influence simazine decomposition and leaching

Hongguang Cheng; Jinyang Wang; Chenglong Tu; Shan Lin; Dan Xing; Paul Hill; Dave Chadwick; Davey L. Jones

doi:10.1111/gcbb.12802

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Arbuscular mycorrhizal fungi and biochar influence simazine decomposition and leaching

Journal article

Open access

Arbuscular mycorrhizal fungi and biochar influence simazine decomposition and leaching

Hongguang Cheng, Jinyang Wang, Chenglong Tu, Shan Lin, Dan Xing, Paul Hill, Dave Chadwick and Davey L. Jones

Global change biology. Bioenergy, Vol.13(4), pp.708-718

2021

DOI: https://doi.org/10.1111/gcbb.12802

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Abstract

adsorption

decomposition

leaching

simazine

symbiosis

The application of biochar to land has been promoted as a strategy for sequestering carbon in soils, for improving soil fertility and remediating soil pollution. However, the implications of biochar amendments on mycorrhizal associations and pesticide decomposition in agricultural soils are poorly understood. In this study, we compared the effects of four treatments; control (no biochar and no arbuscular mycorrhizal fungi (AMF), biochar (biochar without AMF), AMF (AMF without biochar) and biochar + AMF (AMF and biochar) on the fate of simazine. We specifically focused on the sorption, leaching and biodegradation behaviour of simazine. Our results showed that when symbiosis existed between plants and AMF, biochar inhibited simazine decomposition and AMF inoculation alleviated this inhibition. In contrast, this alleviation was not observed when the plant was removed. In addition, AMF inoculated into the biochar amended soil significantly decreased simazine concentration in the leachate; however, in the AMF‐only treatment, no effect on simazine leaching was observed. These phenomena were attributed to variation in the soil's sorption capacity due to biochar application or AMF inoculation. Overall, biochar application combined with AMF inoculation has the potential to mitigate simazine accumulation in the topsoil and reduce its availability.

Details

Title: Arbuscular mycorrhizal fungi and biochar influence simazine decomposition and leaching
Authors/Creators: Hongguang Cheng - Bangor University
Jinyang Wang - Bangor University
Chenglong Tu - Affiliated Hospital of Guizhou Medical University
Shan Lin - Huazhong Agricultural University
Dan Xing - Guizhou Academy of Agricultural Sciences
Paul Hill - Bangor University
Dave Chadwick - Bangor University
Davey L. Jones - The University of Western Australia
Publication Details: Global change biology. Bioenergy, Vol.13(4), pp.708-718
Publisher: John Wiley & Sons Ltd
Number of pages: 11
Grant note: National Natural Science Foundation of China (C200709) National Key Research and Development Program of China (2018YFC1802601) Science and Technology Plan Project of Guizhou Province ([2018]2329) Strategic Priority Research Program of Chinese Academy of Sciences (XDB40020402) Opening Fund of the State Key Laboratory of Environmental Geochemistry (SKLEG 2020205)
Identifiers: 991005560325607891
Copyright: © 2020 The Authors.
Murdoch Affiliation: Centre for Sustainable Farming Systems
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.45 Soil Science; 3.45.1903 Biochar
Web Of Science research areas: Agronomy; Biotechnology & Applied Microbiology; Energy & Fuels
ESI research areas: Agricultural Sciences