Drone field spraying is applying herbicide, pesticide, fungicide or liquid fertiliser from a large multirotor drone rather than a boom spray, plane or backpack. Today's field spray drones carry between 25L and 100L per fill, fly GPS-guided swaths of 6m to 11m and can cover up to 60 hectares an hour on the biggest machines. Terrain-following radar keeps the aircraft at a set height over uneven ground. The biggest reason growers look at drones is getting onto paddocks that are
Agricultural drones in Australia are well past the novelty stage. Around 10% of Australian agricultural businesses now use spray drones somewhere in their operation, and government modelling expects between 8,300 and 23,900 units working on farms by 2040. These aren't camera drones. They're 25kg to 100kg aircraft that spray, spread, map and find things, and each of those jobs replaces hours of ground work. Below we dive into what each looks like in practice, what it costs and