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September 10, 2025AgronomyOpen Access

Leaching of Heavy Metals from Farmland Soil in China: The Status and Ecological Risk Assessment

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Authors

NMNa MiYLYuanyuan LüZSZhen Song

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Overview

Analysis quantifies heavy metal leaching in farmland soil and ecological risk assessments across China.

Key Points

  • Leaching of heavy metals from farmland soil poses significant ecological risks in southern China, particularly for Cd.
  • Heavy metals like Cd, Pb, and Zn exceed drinking water standards in various provinces, posing health risks.
  • Adjusting soil pH can significantly lower heavy metal leaching by up to 38% for Zn and 31% for Cd.
  • Key regions need prioritization for groundwater monitoring to address ecological risks related to leaching.

Cite This Study

Mi et al. (2025) studied this question.

synapsesocial.com/papers/68c192579b7b07f3a0616ee1https://doi.org/10.3390/agronomy15092126
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Also Consider

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  4. 4Enrichment Characteristics and Ecological Risk Assessment of Heavy Metals in a Farmland System with High Geochemical Background in the Black Shale Region of Zhejiang, China2024 · 7 citations
  5. 5Integrated assessment and forecasting of heavy metal contamination in soils affected by Pb–Zn mining in Guizhou, China2026