URBANA - If historical tends continue into 2007, farms in northern Illinois will increase corn acres more than central Illinois, and southern Illinois response will likely be weather driven, concludes a University of Illinois Extension study.<br><br><a href='http://www.aces.uiuc.edu/news/stories/news3851.html' target='_blank'>http://www.aces.uiuc.edu/news/stories/news3851.html</a><br><br>