A big reason the farm has been sold to overseas investors is because it is cheap
I remember parity with Canada, Singapore and the greenback.
now the AUD is cheap OS investors can buy a $1 worth of gas, oil, pilbara iron ore, farmland even like Canadian pension fund thousands of gigalitres of Murray Darling basin water for a bit over 65c
The why has a lot to do with productivity, it is complex, but we have far too many public servants who produce nothing not even one carrot.