Types of agricultural fumigation equipment
Different machines are deployed based on the application space, chemical formulation, and treatment goals.
- Thermal Fogging Machines: Uses heat and exhaust velocity to vaporize chemical solutions into dense fog; ideal for large grain godowns and open sheds.
- Cold Ultra-Low Volume (ULV) Mist Blowers: Uses electric or petrol blowers to atomize disinfectants at ambient temperature; widely used in polyhouses, seed rooms, and cold storages.
- Grain Silo Gas Recirculation Systems: Closed-loop ducting systems designed for phosphine gas distribution through bulk grain silos.
- Soil Fumigation Applicators: Tractor-mounted shanks that inject approved fumigants into soil beds followed by plastic tarp sealing.
Agricultural storage and quarantine applications
Effective fumigation protects stored food grains from destructive post-harvest insect pests.
- Controls major storage pests including the rice weevil, lesser grain borer, and red flour beetle.
- Disinfects seed storage rooms and commercial cold stores between harvest batches to suppress mold and rot fungi.
- Enforces plant quarantine and phytosanitary treatments for export and import consignments under DPPQS protocols.
- Sanitizes greenhouse soil beds to eliminate soil-borne nematodes, bacterial wilt, and damping-off fungi before planting high-value crops.
Safety standards and operational protocols
Fumigation involves hazardous chemical compounds that require certified execution.
- Operators must wear full-face gas respirators with appropriate chemical canisters, protective suits, and chemical-resistant gloves.
- Ensure storage facilities are airtight with gas-proof tarpaulins and sealed doors during treatment.
- Display prominent danger warning signs and restrict entry during the mandatory exposure and aeration periods.
- Use calibrated gas detectors to confirm zero toxic gas concentration before workers re-enter treated premises.
Official source
Check the latest rules, benefits and forms here. KisanPe is an independent platform and is not a government website.
Directorate of Plant Protection, Quarantine & Storage ↗Related on KisanPe
Common questions
What is the difference between thermal fogging and cold ULV misting?
Thermal foggers use heat to create a dense floating smoke for large warehouses, while cold ULV mist blowers generate fine ambient mists without heat, preserving heat-sensitive disinfectants.
Which government agency regulates grain fumigation standards in India?
The Directorate of Plant Protection, Quarantine & Storage (DPPQS) under the Ministry of Agriculture establishes fumigation standards and accredited operator guidelines.
Can fumigation machines be used for routine greenhouse pest control?
Cold ULV foggers are commonly used in polyhouses to apply approved biopesticides and disinfectants, provided personnel vacate the area and follow re-entry intervals.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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