Richard Bahls, left, had some great help for his final harvest this fall on his Center Township farm in Calhoun County, thanks to Sascha Boden, of Germany. Boden was an exchange student at Iowa ...

giving them just 40 chances to improve on every harvest. Well, he must not know 94-year-old Ross Hartwig of Rockwell City. This fall, Hartwig was hard at work in Calhoun County, combining soybeans ...