Resupply, diffusion, and bioavailability of Hg in paddy soil-water environment with flood-drain-reflood and straw amendment

Yang, Xu; Li, Zihao; Wang, Tantan; Yang, Zhongzhu; Wen, Xin; Yang, Kun; Huang, Yicai; Chen, Wenhao; He, Yubo; Shi, Xiaohong; Zhang, Chang; Yu, Zhigang

doi:10.1016/j.envres.2023.116127

Cited by 4 publications

(1 citation statement)

References 44 publications

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“…The DGT and the DIFS instruments were implemented to examine the Hg resupply kinetics, diffusion, and availability in a paddy soil exposed to flood-drain-reflood management and straw application (Yang et al 2023 ). The straw amendment restricted the bioavailability of Hg in the porewater by lessening its resupply capacity, while the transformation into MeHg was substantially enhanced after straw application.…”

Section: Dgt Applications For Heavy Metal Labile Fractions In Soilmentioning

confidence: 99%

Use of diffusive gradients in thin-film technique to predict the mobility and transfer of nutrients and toxic elements from agricultural soil to crops—an overview of recent studies

Senila,

Kovacs

2024

Environ Sci Pollut Res

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The purpose of this review was to survey the recent applications of the diffusive gradients in thin films (DGT) technique in the assessment of mobility and bioavailability of nutrients and potentially toxic elements (PTEs) in agricultural soil. Many studies compared the capabilities of the DGT technique with those of classical soil chemical extractants used in single or sequential procedures to predict nutrients and PTE bioavailability to crops. In most of the published works, the DGT technique was reported to be superior to the conventional chemical extraction and fractionation methods in obtaining significant correlations with the metals and metalloids accumulated in crops. In the domain of nutrient bioavailability assessment, DGT-based studies focused mainly on phosphorous and selenium labile fraction measurement, but potassium, manganese, and nitrogen were also studied using the DGT tool. Different DGT configurations are reported, using binding and diffusive layers specific for certain analytes (Hg, P, and Se) or gels with wider applicability, such as Chelex-based binding gels for metal cations and ferrihydrite-based hydrogels for oxyanions. Overall, the literature demonstrates that the DGT technique is relevant for the evaluation of metal and nutrient bioavailability to crops, due to its capacity to mimic the plant root uptake process, which justifies future improvement efforts.

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Section: Dgt Applications For Heavy Metal Labile Fractions In Soilmentioning

confidence: 99%

Use of diffusive gradients in thin-film technique to predict the mobility and transfer of nutrients and toxic elements from agricultural soil to crops—an overview of recent studies

Senila,

Kovacs

2024

Environ Sci Pollut Res

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Rice straw-derived biochar amendment enabling a synergy for mercury alkylation and carbon sequestration in mercury-contaminated paddy soil

Fang,

Rao,

et al. 2024

Chemical Engineering Journal

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New insights into aqueous Hg(II) photoreduction from paddy field system to natural water: Gear effect of straw returning and soil tillage

Fei,

Wang,

Wang

et al. 2025

Journal of Hazardous Materials

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Resupply, diffusion, and bioavailability of Hg in paddy soil-water environment with flood-drain-reflood and straw amendment

Cited by 4 publications

References 44 publications

Use of diffusive gradients in thin-film technique to predict the mobility and transfer of nutrients and toxic elements from agricultural soil to crops—an overview of recent studies

Use of diffusive gradients in thin-film technique to predict the mobility and transfer of nutrients and toxic elements from agricultural soil to crops—an overview of recent studies

Rice straw-derived biochar amendment enabling a synergy for mercury alkylation and carbon sequestration in mercury-contaminated paddy soil

New insights into aqueous Hg(II) photoreduction from paddy field system to natural water: Gear effect of straw returning and soil tillage

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