Mitchell and Zach are trying to understand how Mitchell’s home county in Southeast Iowa developed such a strong conservation culture. Jim Frier, now 88, showed up to the interview with a box full of documentation of all the work he put into educating farmers: flyers from the twilight meetings and field days he organized, which could attract as many as 500 attendees, articles he penned promoting conservation tillage, including one that wondered, back in the 60s, whether traditional tillage systems were on their way out, and photos he took of equipment attachments folks were designing to make no-till work with their existing planters. To be sure, there were a lot of other key people who helped build a conservation movement in Washington County, but Jim Frier teaches us the value of cheerleaders.

Read more: Evening meetings helped launch a conservation culture

Video: Mr. Johnson Goes to Washington (County, That Is)