First Crop Hour webinar series to focus on stored grain Stored grain can be a farmer’s most valuable asset, but if not stored correctly, it can depreciate quite quickly. Written By: Agweek Staff Reports | 5:09 pm, Dec. 29, 2020 × A trailer is loaded with corn at the Stickney Co-op Elevator on Thursday, Aug. 20 in Stickney. (Matt Gade / Republic) BROOKINGS, S.D. — South Dakota State University Extension will kick off its virtual Crop Hour webinar series with presentations about managing stored grain Stored grain can be a farmer’s most valuable asset, but if not stored correctly, it can depreciate quite quickly. SDSU Extension Agronomy Field Specialist Sara Bauder says it's important growers are taking every step to protect and preserve grain quality on farm.