field spraying drones 5

https://h43cj014q0.evergrovio.com/posts/why-drone-seeding-services-are-changing-how-uk-farmers-plant

These drones skim low over crops, their rotors kicking up a fine mist of pesticide or fertilizer. You can adjust the spray width from your phone, and they'll map the field on the fly, dodging trees and power lines. It saves a ton of walking, and you cover uneven ground way faster than a tractor could. Just mind the wind on breezy days—drift is real.