TY JOUR TI THE EFFECTIVENESS OF SIDERATES IN AGRICULTURE NON CHERNOZEMYA KW precursors KW seed crops KW winter rye KW yield KW grain quality JO Agrobiotechnologies and digital farming AU Zavalin, A.A. AU Novoselov, S.I. AU Eremeev, R.A. AU Fashutdinov, F.S. PY 2024 IS 3 PB Kazan state agrarian University