The state's Grain Industry Fund levy could be lifted from 20 cents per harvested tonne to 31c/t to help recover costs associated with the eradication of lens snail.
The lens snail was first detected at a metropolitan Adelaide property in 2018 and since then, three adjacent premises have also been identified and are under strict biosecurity orders.
After extensive tracing and surveillance in regional areas, the lens snail has not been detected, meaning authorities are confident it has been confined to the initial detection area.
The eradication effort will cost $1.66 million, with the levy lift proposed to be in place from July 1 until June 30, 2023.
"With the snail contained, there is a unique opportunity to eradicate lens snail while it is confined to the metropolitan area," GPSA independent director Steve Jefferies said.
"If it is spread from this area, it will be almost impossible to stop."
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