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VOL. 9, ISSUE 2 (2025)
Transforming crop residue into fertile soils: A comprehensive review on biochar application and future directions
Authors
C H Sudhakar
Abstract
The escalation of agricultural activities
globally generates immense volumes of crop residues. Burning or improper
disposal of these residues exacerbates environmental degradation and greenhouse
gas emissions. Converting this surplus biomass into biochar via pyrolysis
offers a sustainable, closed-loop solution to enhance soil health and mitigate
climate change. This review comprehensively synthesizes recent advancements in
biochar technology. It evaluates how diverse biomass feedstocks and pyrolysis
engineering dictate the final physicochemical architecture of biochar.
Furthermore, it details the mechanisms through which biochar alters soil
physical structures, chemical dynamics, and biological networks. Special
emphasis is placed on biochar's performance in stressed environments,
contaminant immobilization, and its next-generation modifications like
engineered biochars and biochar-based fertilizers (BCBFs). Finally, we address
economic viability, life cycle impacts, knowledge gaps, and smart policy integration
necessary for large-scale field adoption.
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Pages:74-79
How to cite this article:
C H Sudhakar "Transforming crop residue into fertile soils: A comprehensive review on biochar application and future directions". International Journal of Chemistry Studies, Vol 9, Issue 2, 2025, Pages 74-79
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