MALLEE'S status as a key part of the Nationals' heartland will almost certainly be confirmed at the 2016 Federal Election tomorrow.

More interest will focus on neighbouring Murray, where the Nationals are trying to win back the seat from their Coalition partner in the wake of the retirement of former Liberal Minister, Sharman Stone, after two decades in Parliament.

Andrew Broad has served one term as the Nationals' Member for Mallee. A 23.7 per cent swing would be needed to unseat him from the nation's safest seat. He won in 20...