What is Stack Fumigation, and what are its Uses, Advantages and Disadvantages in Pulse and Grain Storage?
Stack fumigation is a method where stored pulses or grains are arranged in stacks, covered with airtight sheets, and exposed to fumigants (like aluminum phosphide) to eliminate pests.
✅ Uses:
- Controls weevils, beetles, and larvae in stored dals/grains.
- Maintains product quality during long-term storage.
- Commonly used in warehouses and processing units.
🌟 Advantages:
- Kills all stages of pests (eggs to adults).
- Cost-effective for large-scale treatment.
- Doesn’t require shifting or repacking.
- Protects bulk stock in one go.
⚠️ Disadvantages:
- Needs trained personnel for safe handling.
- Toxic chemicals may pose health risks if mishandled.
- Ineffective if sheet sealing is poor (leakage = failed fumigation).
- No residual protection after treatment.
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