Today, (Tuesday) the third largest indoor farm equipment show begins.  It is the Iowa Ag Expo held in Des Moines at the Iowa Event Center.  The farm show will continue through Thursday.  Cindy Feldman, the farm show marketing director explains what will occur at the Iowa Ag Expo.  Feldman says the Iowa Ag Expo will feature several new exhibitors along with new technology, and a variety of educational seminars.  Feldman says the farm show will feature an Ag Innovation Showcase sponsored by Farm Credit Services of America located at booth 715 where four ag tech start-ups will come together to discuss challenges producers are facing today.  Feldman shares the topics centered on the educational seminars featured at the Iowa Ag Expo.  Ticket prices are $10, however, Feldman says you can order your tickets online and save five dollars.  The hours for the Iowa Ag Expo farm show are 9:00 a.m. Tuesday and Wednesday, and 9:00 a.m. to 3:00 p.m. on Thursday.