Friday's Second Hour: We're catching up on some of the great chats that Bob and David had this week at the Iowa Ag Expo! Bob was able to talk about the latest at Stine Seeds with Myron Stine. David spoke with Bovi-Jet co-founder Dakota Belling at the Innovation Hub about their cattle medicinal sprayer start-up. Jayson Ryner from ReEnvision Ag Inc. talks about their technology with seed spiking. And ending the show, we're talking nitrogen with John Ireland from NTP Technologies.