For citations:
Vasilchenko S.A., Metlina G.V., Laktionov Yu.V. The effect of biological products and microelement fertilizer ‘Organomix’ on maize productivity in the southern part of the Rostov region. Grain Economy of Russia. 2021;(5):81-85. (In Russ.) https://doi.org/10.31367/2079-8725-2021-77-5-81-85