Straholis, I.M., S.I. Berdin, V.I. Onychko, and T.O. Onychko. 2019. “Sort Reaction of Buckwheat to Complex Application of Biological Preparations and Fertilizers”. Bulletin of Sumy National Agrarian University. The Series: Agronomy and Biology, no. 1-2(35-36) (July), 46-52. https://doi.org/10.32845/agrobio.2019.1-2.7.