ScienceLine: A growing flock of farm drones could help with our pesticide problem

A four-propeller drone sprays pesticides over a cotton field. Some experts think targeted pesticide spraying via drone could help reduce pesticide use. [viya0414 | Pixabay License]

To most people — even many farmers — the idea of tending crops hardly brings to mind a drone rising into the air, carrying a tank full of pesticides and navigating by pre-programmed map. Yet, when Michael Ott markets to agricultural retailers, that’s exactly his sales pitch: an unmanned aircraft that will spray whatever you need, wherever you need it.