For citations:
Nekrasov E.I., Marchenko D.M., Rybas I.A., Ivanisov M.M., Grichanikova Т.A., Romanyukina I.V. The study of productivity and elements of its structure of the winter soft wheat varieties sown after sunflower. Grain Economy of Russia. 2018;(6):46-49. (In Russ.) https://doi.org/10.31367/2079-8725-2018-60-6-46-49