Herb Plambeck was a farm worker, youth leader, and extension agent before becoming farm editor of the Davenport Times-Democrat in 1935. In 1936, he became farm director for WHO Radio in Des Moines, Iowa, a position he held until 1970. At WHO, Plambeck created the station’s national plowing matches that attracted thousands. Plambeck left WHO in 1970 and joined the U.S. Department of Agriculture as a public affairs assistant. In 1973, he returned to Iowa and to broadcasting and worked with the World Plowing Matches held in the Amanas.