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October 10, 2025Environmental Quality Management

Mitigating Cadmium Leaching and Improving Soil Fertility Through Biochar Application

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Authors

SHSeyid Mohamed Moulana Seyida HimayaRTRoshan ThotagamugePPP. Premanandarajah

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Overview

Experiments reveal biochar's impact on cadmium immobilization and nutrient retention in sandy loam soils, suggesting improved agricultural practices.

Key Points

  • Biochar application significantly reduced cadmium leaching from 14 to 0.004 mg/L over three months, enhancing soil quality.
  • Higher biochar rates resulted in improved water holding capacity by 27%, alongside increased nutrient concentrations and cation exchange capacity.
  • Factors studied included biochar pyrolysis temperature, with B-550 exhibiting superior properties compared to B-450 in nutrient and cadmium management.
  • Findings highlight the importance of biochar as a sustainable agriculture practice, particularly at a 5% application rate for optimal soil health.

Cite This Study

Himaya et al. (2025) studied this question.

synapsesocial.com/papers/68e861857ef2f04ca37e3ae7https://doi.org/10.1002/tqem.70196
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