2017 Fertilizer Inservice Videos
- Understanding the Nitrogen Enigma – Ed Lentz
- Nitrogen Managment – Harold Watters
- CEC and pH Values on a Soil Test – Greg LaBarge (includes soil test activity)
- The Phosphorus Cycle – Harold Watter
- Fertilizer Certification Update – Matt Beal
- Ohio Fertilizer Recordkeeping App – John Barker