Biochar converts agricultural waste into 'black gold', improving soil health and climate resilience.
India faces a dual challenge of agricultural waste burning causing pollution and degraded soils. Biochar, produced by heating agricultural waste in low-oxygen conditions, offers a sustainable solution. This carbon-rich material improves soil organic carbon, water-holding capacity, and microbial activity, boosting crop productivity by 10-30%. It also sequesters carbon, contributing to climate change mitigation. The article advocates for integrating biochar into natural farming initiatives, leveraging carbon credit markets to incentivize adoption, and expanding feedstock to include urban organic waste. This approach can transform waste into a valuable resource, ensuring food security and climate resilience.
Key Points
- Biochar, made from agricultural waste, addresses both air pollution from stubble burning and soil degradation.
- It significantly improves soil health by increasing organic carbon, water retention, and microbial activity, boosting crop yields.
- Biochar acts as a carbon sink, sequestering carbon for long periods and contributing to climate change mitigation.
- Integrating biochar into existing agricultural schemes and leveraging carbon credit markets can incentivize its widespread adoption.
- The approach supports sustainable agriculture, climate resilience, and can transform various organic wastes into a valuable resource.
Exam Facts
- Punjab and Haryana burn over 20 million tonnes of paddy straw annually.
- Biochar can improve crop productivity by 10% to 30% and water-holding capacity by 10% to 25%.
- VM0042 agricultural land management methodology quantifies carbon credits from biochar production.
- India generates around 62 million tonnes of municipal solid garbage annually, with over 50% being biodegradable.
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