Nebraska's agri-business economy (part 2) LINCOLN, NE (NET Radio) - Hundreds of companies make or sell seed and fertilizer, sprayers and combines, and many other products for Nebraska farmers. These are businesses that feel the ups and downs of the ag industry. Many of these companies were at the Agri-Business Expo in Omaha last week. Mike Tobias has their thoughts on the economy. © Copyright 2012, NET Radio