ArticleFrontiers in plant science2026
Soil conditioners promote cadmium reduction and selenium enrichment in rice: formulation process, effects, and mechanisms.
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Excessive accumulation of cadmium (Cd) in rice from a selenium (Se)-enriched area is a global environmental issue. Due to its widespread presence and potential transfer through the food chain, it poses a significant threat to human health. Se, as an essential micronutrient for humans, reduces the Cd uptake of rice and mitigates the toxicity of Cd. The application of optimized soil conditioners has emerged as a promising agronomic strategy to mitigate Cd accumulation in rice grains while enhancing Se biofortification, leveraging the interactive mechanisms of Se-Cd antagonism in the soil-rice system. Based on the results of pot experiments, this study employed a uniform design method to optimize the formulation ratios of four materials. The results showed that soil conditioners have a significant positive impact on rice growth in Cd-contaminated soil. The application of soil conditioners could effectively reduce the available Cd concentration in slightly Cd-contaminated rice soils in a Se-enriched area of Jiangxi Province and regulate the enrichment coefficient and the transport coefficient of soil Cd and Se in various organs of rice. The theoretically optimal formulation predicted by the regression model was: lime, 1,500 kg hm
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