Under the trial, polling booths will operate to allow everyone enrolled in the chosen electorate to vote on who they would like to see as the Nationals candidate.
Currently, only card-carrying members of the party have a say in that process.
Individual electorate councils within the Nationals will now be asked if they would like to have their candidate chosen via community pre-selection.
Mr Stoner previously has said that if the trial works, it would be expanded to other seats for the 2015 election.
It would be great to see the Liberals and ALP adopt a similar process for selecting a candidate for at least one seat in the next state and federal elections, perhaps in independent-held seats. This seems unlikely though given the conservatism of both party organisations.