The modern farmer knows that pests in the field are not a problem for the whole field. They are localized to certain areas. But because it’s difficult to recognize where pests are located and target these areas, farmers — whether with ground rigs or crop dusters — tend toward a “full coverage” approach when it comes to pesticide application.

Lt. Gov. Adam Gregg got a first hand look at Rantizo, an Iowa City based drone company, that is approaching pesticides from the skies.