%0 Journal Article %T INFLUENCE OF MINERAL FERTILIZERS AND SEEDING NORMS ON CROP AND OIL OF SUNFLOWER SEEDS UNDER CONDITIONS OF FOREST-STEPPE OF MIDDLE VOLGA REGION %A Vladimirov, V.P. %A Chugunov, E.M. %K sunflower, fertilizers, yield, quality of seeds, area of plant nutrition, gross yield. %J Vestnik of Kazan State Agrarian University %D 2018 %N 13 %P 4 %I Kazan state agrarian University