Pashkang
Natalia Nikolaevna,
Candidate of Economic Sciences, Associate Professor, Ryazan State Agrotechnological University named after P.A. Kostychev,
e-mail: vdvrzn@mail.ru

Sunflower productivity depending on the level of mineral nutrition in the conditions of the Ryazan region
Makarova M.P., Vinogradov D.V., Pashkang N.N., Gogmachadze G.D.
         2021,    N 5