TY JOUR TI THE YIELD AND QUALITY OF SPRING WHEAT GRAIN DEPENDING ON THE TIMING OF SOWING, THE DEPTH OF SEEDING AND THE BACKGROUND OF NUTRITION IN THE NORTHERN PART OF THE MIDDLE VOLGA REGION KW spring wheat KW sowing depth KW fertilizers KW yield KW sowing time KW protein content KW gluten JO Agrobiotechnologies and digital farming AU Shaykhutdinov, F.. AU Serzhanov, I.. AU Serzhanova, A.R. AU Garaev, R.I. AU Hamitova, A.R. PY 2022 IS 1 PB Kazan state agrarian University