Rytchenko, A. V., I. I. Rozhko, and M. I. Kulyk. “INFLUENCE OF ECOTYPIC CHARACTERISTICS OF VARIETIES ON THE SWITCHGRASS SEED YIELD”. Bulletin of Sumy National Agrarian University. The Series: Agronomy and Biology, Vol. 53, no. 3, Dec. 2023, pp. 70-78, doi:10.32782/agrobio.2023.3.10.