%0 Journal Article %T The role of biological nitrogen in the mineral nutrition of oilseeds in the Rostov region %A Kamenev, R.A. %A Turchin, V.V. %A Avetisyan, D.R. %A Kopylov, B.A. %K biological nitrogen, bacterial preparations, oilseeds, productivity of oilseeds, Rostov region, mineral fertilizers %J INTERNATIONAL AGRICULTURAL JOURNAL %D 2025 %N 0 %P 4 %I Electronic science