Thought you might find this article of interest to share with your students:
Drones find niche in field - Agronomists find field uses for drones
https://www.farmprogress.com/technology/drones-find-niche-field
Drones find niche in field - Agronomists find field uses for drones
https://www.farmprogress.com/technology/drones-find-niche-field