Agricultural fumigant functions span export quality maintenance, biological pest control, soil health, storage protection, and food chain safety. Chemicals: captan, dinocap, fenarimol, metaldehyde, picloram, and terbacil. Instruments: cloud dispersers, precision pumps, hazard shields, gas analyzers, insulation mats, calibration chambers, safety guides. Market influencers: industry regulators, pest risk analysts, biosafety evaluators, chemical analysts, shipping consultants, and agricultural advisory groups. Results: extended shelf-life, trade clearance, quality certification, and hygienic standards. Issues include resource shortages, compliance inconsistencies, over-reliance, and public concern. Developments target biodegradable sprays, cloud-backed monitoring, predictive analytics, and autonomous detection platforms.