Agricultural fumigant sector supports safeguarding harvests, orchards, silos, bins, terminals, chambers, greenhouses, saplings, nurseries, and rows. Substances like methyl iodide, sulfur fluoride, ethylene oxide, chloropicrin, phosphine, and nitrosyl fluoride dominate. Dispensing uses tubing, wicks, pumps, reactors, cylinders, meters, injectors, tanks, caps, or valves. Key functions ensure sterility, oxygen control, moisture balance, dormancy, maturation, consistency, aroma, integrity, and protection. Industry includes technicians, importers, vendors, agronomists, handlers, suppliers, buyers, marketers, brokers, and consultants. Hurdles involve regulation, seasonality, pricing, backlash, logistics, ethics, exposure, warnings, thresholds, filtration. Trends reflect sustainability, AI, geofencing, blockchain, diagnostics, biotech, diversification, traceability, empowerment, and miniaturization.