Semi trucks unload seed corn during the harvest season at Pioneer's seed corn processing plant Monday, Sept. 21, 2009, in Reinbeck, Iowa. (MATTHEW PUTNEY / Courier Photo Editor) MATTHEW PUTNEY ...

An Iowa based seed-corn company is looking at a new corn variety that will do away with what was once a rite of passage for Iowa teens, and a way for adults to make some extra money in the summer.

DuPont's <DD.N> Pioneer seed unit plans to raise prices in the mid-single-digit range next year as it takes U.S. corn and soybean market share from Monsanto Co <MON.N> and other rivals.