For citations:
Rodina Т.V., Zhuzhukin V.I., Astashov А.N. Productivity and nutritional value of aboveground biomass of annual crops in companion sowings. Grain Economy of Russia. 2021;(3):57-61. (In Russ.) https://doi.org/10.31367/2079-8725-2021-75-3-57-61