Kopylov
Boris Andreevich,
master of agriculture, post-graduate student, named after Professor E. V. Agafonov, Don state agrarian University,
e-mail: b-kopylov@mail.ru

Using of bacterial remedies in sunflower cultivation in the Rostov region
Kopylov B.A., Gromakov A., Turchin V.
         2020,    N 2