The Coalition's candidate for the marginal South Australian seat of Mayo moderates her previous position that the minimum wage and penalty rates should be abolished.
A Murray-Darling Basin community leader says the former agriculture minister originally opposed water purchases as the Queensland Government suggests there was a better deal.
Labor says it will push ahead with plans to set up an inquiry into the contentious taxpayer-funded water buybacks, after a request for documents was not met on Tuesday.
Scott Morrison took his campaign to South Australia in a bid to hold a marginal seat but Barnaby Joyce continued to attract the attention over his handling of a 2017 water deal.
The election campaign has been diverted towards a controversy around water buybacks in the Murray-Darling.
Prime Minister Scott Morrison maintains Barnaby Joyce did not breach any rules when he approved a controversial water buyback deal in 2017.
The Agriculture Department is standing by a controversial water buyback deal worth $80 million, which Labor leader Bill Shorten says is a "scandal" worthy of inquiry.
From dead fish in the Murray-Darling to debates about how to power the country, the fight to win over regional voters could well determine who forms the next Federal Government.