Three Iowa ag entrepreneur teams — Continuum Ag of Wash­ington, FarmlandFinder of Ames and Nebullam LLC of Ames — have earned a spot as top 10 semifinalists in the nationwide 2019 Farm Bureau Ag Innovation Challenge.

The annual challenge, which is sponsored by the American Farm Bureau Federation (AFBF) in partnership with Farm Credit, provides an opportunity for entrepreneurs across the country to showcase ideas and business innovations in agriculture.

The three Iowa...