-Messenger photo by Kriss Nelson Wells Fargo Arena was full of ag equipment ranging from tools to sprayers and more during the Iowa Ag Expo held last week in Des Moines -Messenger photo by Kriss Nelson Tad Baumgartner, left with Four Star Services Inc., was assisted by Humboldt area farmer, Ron Collins at the Iowa Ag Expo. Four Star Services Inc. was there to visit with producers about their Agri-SC liquid soil conditioner. -Messenger photo by Kriss Nelson Dick Danielson, owner of Becker Ag Sales, visits with some potential customers at the Iowa Ag Expo. This is the company’s fourth year attending the show.