Kyienko, Z.B., Dutova, H.A., Rudenko, O.A., Sonets, T.D., Tahantsova, M.M. and Makarchuk, B.M. 2024. Study on the stability of the productivity index of sorghum (Sorghum bicolor L.) varieties under Forest­Steppe conditions. Plant varieties studying and protection. 20, 1 (Jul. 2024), 45–50. DOI:https://doi.org/10.21498/2518-1017.20.1.2024.297222.