For citations:
Filenko G.A., Firsova T.I., Skvortsova Yu.G., Chertkova N.G. Productivity and sowing qualities of spring barley seeds when using biostimulants in the primary seed production. Grain Economy of Russia. 2020;(6):71-77. (In Russ.) https://doi.org/10.31367/2079-8725-2020-72-6-71-77