A practical guide to preparing storage before harvest — covering grain hygiene, structural treatments, fumigation and phosphine resistance, gas-tight sealing standards, and the respiratory protection needed to handle phosphine safely.
Author: Ben White, Research Engineer, and the GRDC Grain Storage Extension team
Kondinin Group Research Report No. 200, September 2026
Inside this report:
- Fumigation options and what they cost — phosphine against the alternatives
- Phosphine resistance, and what to do where it is detected
- Coming changes to the phosphine label and workplace exposure standards
- Measuring gas concentration: metering and combination meters
- What makes a silo genuinely gas-tight, and the standards that apply
- Hygiene, timing, and applying diatomaceous earth
- Respirators, filter cartridges and safe clean-up
