During this video, Chris Warrick and Alex Conway discuss ‘Fumigation recirculation’ and provide guidance on both passive and powered systems.
Continue readingFumigation Recirculation
Surface only fumigation in large grain storages
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 readingRecirculation system requirements
GRDC Grain storage specialist Chris Warrick explains a key feature of fumigation recirculation systems in grain silos.
Continue readingGetting the most out of ground-level fumigation
Key message
– Ground-level fumigation systems are safer for users, but phosphine can be explosive, so precautions are needed to ensure a safe and effective fumigation.
Phosphine fumigation can now be completed using ground-level application systems, which are much safer as the user does not need to climb to the top of the silo. But some key features and precautions are needed for successful and safe fumigation:
– recirculation;
– space for liberation;
– condensation trap; and
– pressure relief for power outage.
Getting the most out of ground-level fumigation (GRDC Groundcover Supplement)
Ground-level fumigation offers safety benefits to growers but takes a new set of skills to get right
Continue readingSuccessful 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
Continue readingPowered Thermosiphon Trial (COGGO 2018)
Fumigation recirculation
