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Sophie Thomson visits a eucalyptus oil farm, Costa Georgiadis reworks a banana circle, Tino Carnevale explores a home-grown arboretum, and we visit the home of an interior stylist whose indoor plant collection will amaze you.

This time next year Australia could well be growing genetically modified food crops for the first time. We have had GM cotton for about six years but food is different. All sorts of accusations have been made about the benefits and drawbacks of GMOs, also called biotech or genetically engineered crops. Working through the maze of information is not easy but Landline is attempting to do just that. Landline�s Prue Adams recently hosted a forum discussion with a panel of eight of the best minds, those who agree or disagree with the imminent roll-out of fields of genes.

This week on Landline, a professor in the department of animal science at Colorado State University talks to Kerry Lonergan about a number of issues, including mad cow disease, American access to the Japanese market and the controversial question of traceability. Dr Gary Smith is said to be one of the top 40 experts in the American beef industry.

With more and more young people leaving the bush for the city, regional Australia is getting old. The average age of Australian farmers is already in the 50s and an increasing number of retirees are also heading for small coastal towns. Port Broughton in South Australia has long been a farming, fishing and tourism town, but now aged care is the largest single employer in town.