Here is a website with some info on TFC with photos taken at Kununurra:
http://tinyurl.com/3kah25y
They use 4 different host varieties to support the sandalwood plant, which is a parasite that gets it nutrients from other trees by sending out runners underground which attach to the host.
The expansion of the Ord River Scheme will increase the available land to all crops in the area. Currently, only a small portion of available water is utilised.