Articles | Volume 11, issue 2
https://doi.org/10.5194/soil-11-939-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/soil-11-939-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Original research article
| 
12 Nov 2025
Original research article |
| 12 Nov 2025
| 12 Nov 2025
Comparative efficacy of individually and combined application of compost, biochar, and bentonite on Ni dynamics in a calcareous soil
Hamid Reza Boostani
CORRESPONDING AUTHOR
Department of Soil and Water Engineering, College of Agriculture and Natural Resources of Darab, Shiraz University, Darab, Iran
Zahra Jalalpour
Department of Agroecology, College of Agriculture and Natural Resources of Darab, Shiraz University, Darab, Iran
Ali Behpouri
Department of Agroecology, College of Agriculture and Natural Resources of Darab, Shiraz University, Darab, Iran
Ehsan Bijanzadeh
Department of Agroecology, College of Agriculture and Natural Resources of Darab, Shiraz University, Darab, Iran
Mahdi Najafi-Ghiri
Department of Soil and Water Engineering, College of Agriculture and Natural Resources of Darab, Shiraz University, Darab, Iran
Related authors
Hamid Reza Boostani, Ailsa G. Hardie, Mahdi Najafi-Ghiri, Ehsan Bijanzadeh, Dariush Khalili, and Esmaeil Farrokhnejad
SOIL, 10, 487–503, https://doi.org/10.5194/soil-10-487-2024, https://doi.org/10.5194/soil-10-487-2024, 2024
Short summary
Short summary
In this work, the combined SM500 + S2 treatment was the most effective with respect to reducing the Ni water-soluble and exchangeable fraction. Application of Si and biochars decreased the soil Ni diethylenetriaminepentaacetic acid and corn Ni shoot content. The study shows the synergistic potential of Si and sheep manure biochars for immobilizing soil Ni.
Hamid Reza Boostani, Ailsa G. Hardie, Mahdi Najafi-Ghiri, Ehsan Bijanzadeh, Dariush Khalili, and Esmaeil Farrokhnejad
SOIL, 10, 487–503, https://doi.org/10.5194/soil-10-487-2024, https://doi.org/10.5194/soil-10-487-2024, 2024
Short summary
Short summary
In this work, the combined SM500 + S2 treatment was the most effective with respect to reducing the Ni water-soluble and exchangeable fraction. Application of Si and biochars decreased the soil Ni diethylenetriaminepentaacetic acid and corn Ni shoot content. The study shows the synergistic potential of Si and sheep manure biochars for immobilizing soil Ni.
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Short summary
This study demonstrates that municipal solid waste biochar (MB) is a highly effective amendment for Ni immobilization in contaminated calcareous soils, outperforming both individual and combined applications of compost and bentonite. These findings provide valuable insights for developing remediation strategies in Ni-contaminated agricultural soils, emphasizing the potential of biochar as a sustainable and efficient immobilization agent.
This study demonstrates that municipal solid waste biochar (MB) is a highly effective amendment...
