Yablonskyi, P.M. 2023. DESIGN FEATURES OF THE SPRING SAFETY DEVICE FOR DIRECT SEED COULTERS. Bulletin of Sumy National Agrarian University. The series: Mechanization and Automation of Production Processes. 4 (50) (Apr. 2023), 144-148. DOI:https://doi.org/10.32845/msnau.2022.4.21.