Nekrasova, K.O. 2024. ONTOGENETIC STRUCTURE OF POPULATIONS FESTUCA VALESIACA GAUD. АND FESTUCA PRATENSIS HUDS. ІN THE NATURE RESERVE MYKHAILIVSKA TSILYNA AND IN THE ADJACENT TERRITORIES. Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology. 57, 3 (Dec. 2024), 42-48. DOI:https://doi.org/10.32782/agrobio.2024.3.6.