Slobodianyk, H.Y. and TernavskyiA.Н. 2023. SELECTION OF SUBSTRATES AND MICROBIOLOGICAL PREPARATIONS FOR EFFECTIVE CULTIVATION OF LEEK CASSETTE SEEDLINGS FOR THE CONDITIONS OF THE FOREST-STEPPE OF UKRAINE. Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology. 54, 4 (Dec. 2023), 46-52. DOI:https://doi.org/10.32782/agrobio.2023.4.7.