GRDC Grain storage specialist Chris Warrick explains how long to leave phosphine in large grain silos. What does ‘surface only application’ mean on the phosphine label?
Continue readingSurface only fumigation in large grain storages
Successful fumigation: GAS-TIGHT AND JUST RIGHT (GRDC Groundcover Supplement)
Fumigation results rely on a gas-tight sealable storage to achieve the required gas concentrations and exposure times (C x T) to kill all insect pest life stages. In larger silos (150 to 2000 tonnes) recirculating gases using a small fan during the fumigation ensures rapid, uniform distribution of phosphine gas
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