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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