For citations:
Gaze V.L., Ionova E.V., Likhovidova V.A., Skripka O.V. The role of the upper leaves in the formation of productivity and its elements in the varieties and lines of winter bread wheat of intensive type. Grain Economy of Russia. 2020;(3):16-20. (In Russ.) https://doi.org/10.31367/2079-8725-2020-69-3-16-20