It was “breakthrough innovations that farmers can use” that Iowa Secretary of Agriculture Mike Naig was in search of last week, as he visited Iowa City-based Rantizo.

The drone company is focused on developing cost-effective fertilizer, herbicide or pesticide delivery systems via fleets of flying applicators. 

“What I’ve heard (during this visit) is a very cool innovation that is trying to address multiple issues that are really top-of-mind for folks,” Naig said. “This is really just an interesting piece of technology that has a lot of promise.”

Issues Rantizo hopes to...