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Articles | Volume 12, issue 2
Articles | Volume 12, issue 2
https://doi.org/10.5194/soil-12-1021-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/soil-12-1021-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 2
Original research article
 | 
19 Oct 2026
Original research article |  | 19 Oct 2026

Straw and biochar co-application: a strategy to reduce Cd–Zn bioavailability, alleviate microbial nutrient limitations and enhance soil C stability

Xirui Kang, Na Geng, Yaping Li, Hui Wang, Hong Pan, Quangang Yang, Zhongchen Yang, Yanhong Lou, and Yuping Zhuge

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Short summary
Effective strategies are needed to remediate heavy metal pollution while supplying carbon (C) to maintain microbial activity and soil fertility. In this study, we revealed that optimised straw:biochar ratio (1 : 3) provides a novel integrated approach for remediating heavy metal-contaminated agricultural soils while simultaneously enhancing soil C stability, nutrient availability, and microbial activity.
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