Indoor Tomato Farm Using No Soil And 94% Less Water

As Australia's population grows, we'll have to find more sustainable ways to farm food. So here's a glimpse into the future. Stream more documentaries now on ABC iview: https://ab.co/ABCScienceDocos 00:00 Intro 02:54 Barramundi Farm With 2 Million Fish 07:31 Australian Farm Pests: Crocodiles! 09:3