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June 13, 2026BMC Plant BiologyOpen Access

Biochar and zinc oxide nanoparticles partnership: a multi-faceted strategy to enhance rice productivity and remediate antimony polluted soils

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Authors

HTHaiying TangWJWenjie JiangYMYulong Ma

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Overview

Randomized trial shows BC and ZnO-NPs improve rice productivity in Sb-polluted soils, indicating a dual benefit for crop safety and soil remediation.

Key Points

  • This research aims to explore the synergistic effects of biochar and zinc oxide nanoparticles in alleviating antimony toxicity in rice.
  • Eight treatments were tested: control, biochar at 2%, ZnO-NPs at 100 mg L−1, BC + ZnO-NPs, Sb stress at 250 mg kg−1, and various combinations of BC and ZnO-NPs under Sb stress.
  • Parameters measured included rice growth, yield, oxidative stress indicators, soil Sb availability, and gene expression related to antioxidant activities.
  • Biochar + ZnO-NPs improved rice yield by reducing hydrogen peroxide by 26.06% and electrolyte leakage by 25.68%.
  • Soil antimony availability decreased by 41.80% with the treatment, enhancing nutrient availability in soil.
  • The treatment upregulated antioxidant genes while downregulating genes related to Sb transport, counteracting Sb toxicity.

Cite This Study

Tang et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf488faef96ed7f056cabhttps://doi.org/10.1186/s12870-026-09069-6
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