Two drones are now flying over Oregon State University potato fields in search of unhealthy plants.
Two drones leased from Boeing Co. are outfitted with small infrared cameras that can detect unhealthy plants sooner than growers might otherwise, said Phil Hamm, director of the Oregon State extension center at Hermiston. Healthy plants reflect the light more strongly, he said.
"When plants aren't happy, they look different, but not necessarily different to our eyes," he said. "We want to recognize plants that aren't happy before there's a reduction in yield."
Read more at The Star Democrat.