Topic: Conservation, environmental pollution and degradation, environmental impact assessment
Q5. What is biochar? Explain its significance for improving soil health and agricultural sustainability. (10 M)
Difficulty Level: Medium
Reference: TH
Why the question
Crop residue burning, declining soil health and the need for climate-resilient agriculture have renewed attention on biochar as a sustainable solution for agricultural and environmental challenges.
Key Demand of the question
The question requires explaining the concept of biochar and examining its significance in improving soil health as well as promoting long-term agricultural sustainability.
Structure of the Answer:
Introduction
Briefly define biochar in the context of sustainable agriculture, carbon management and crop residue utilisation.
Body
- What is biochar: Explain its nature, production process and source materials.
- Significance for soil health: Discuss its role in improving soil quality, nutrient availability, water retention and biological activity.
- Significance for agricultural sustainability: Explain its contribution to sustainable farming, climate resilience, residue management and resource efficiency.
Conclusion
Highlight the potential of biochar to transform agricultural waste into an asset while supporting sustainable and climate-smart agriculture.
