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June 20, 2026Ecotoxicology and Environmental SafetyOpen Access

Combined organic amendments reduce Cd accumulation in double-cropping rice by restructuring soil bacterial communities

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Authors

PLPeng LiCFChangyu FangJZJ Zhang

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Overview

Randomized trial shows combined organic amendments reduce cadmium accumulation in rice, suggesting sustainable remediation strategies.

Key Points

  • This study aims to investigate how combined organic amendments affect soil properties and Cd accumulation in rice.
  • Long-term field experiment assessing effects of MRFB on soil physicochemical properties and bacterial communities.
  • High-throughput sequencing used to analyze bacterial community structure.
  • Network analysis and modeling identified key taxa related to Cd bioavailability.
  • MRFB treatment reduced available Cd in soil by 67.19% and in rice grains by 52.51% in the early season (P < 0.05).
  • Bacterial community reshaping led to increased nutrient availability and soil enzyme activities compared to conventional fertilization.
  • Thiobacillus was identified as a key functional genus suppressing Cd uptake, indicating a strong relationship between soil nutrients and Cd immobilization.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/6a362de1db0793dc1a535d74https://doi.org/10.1016/j.ecoenv.2026.120363
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