Partial Crop Residue Burning and Air Pollution Hurdle
Source:Indian Express ↗
Why It Matters
Understanding the hidden loopholes like partial stubble burning is crucial for evaluating current environmental governance, satellite monitoring limitations, and policy enforcement strategies for north India's winter air pollution crisis.
Summary
A study reveals that partial crop residue burning remains a major impediment in tracking and controlling farm fires in the National Capital Region, complicating pollution mitigation efforts.
Key Points
- A recent study highlights that 'partial burning' of crop residues—where fields are only partially cleared or burned—continues to be a major hurdle in tackling farm fire pollution in the NCR region.
- Partial burning leaves significant biomass behind, making it difficult for remote sensing and satellite monitoring to accurately track stubble burning incidents.
- This practice undermines air quality management efforts, leading to persistent particulate matter spikes during winter months in northern India.
- Comprehensive solutions require moving beyond punitive measures to incentivize in-situ and ex-situ crop residue management and address economic constraints faced by farmers.
Prelims Trap
Satellite monitoring and remote sensing accurately track all stubble burning incidents and provide complete quantification of farm fires.
Aspirants often assume satellite remote sensing captures 100% of stubble burning incidents, whereas partial burning and surface smoldering frequently evade active fire counts.
Static Concepts Connected
What are the primary in-situ and ex-situ crop residue management (CRM) techniques?
- In-Situ CRM:: Incorporating stubble directly into the soil using machinery like Happy Seeders, Super Seeders, and Mulchers without burning.
- Ex-Situ CRM:: Using crop residue off-site as industrial fuel, biomass power generation, or feedstock for bio-ethanol and packaging materials.
Cross-Topic Patterns
Stubble Burning + GRAP Air Governance
Crop residue burning interacts with anti-pollution emergency measures under the Graded Response Action Plan (GRAP), testing governance capacity across municipal, state, and central bodies.
Partial crop residue burning limitations on remote sensing + in-situ/ex-situ management schemes is a prime multi-statement prelims target.
Linked PYQs · 2
Linked PYQs · 2
- 2019PrelimsGS1
Consider the following: 1. Carbon monoxide 2. Methane 3. Ozone 4. Sulphur dioxide Which of the above are released into atmosphere due to the burning of crop/biomass residue?
- 2024PrelimsGS1
Consider the following materials: 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?
