TY JOUR TI USING SPRING RAPESEED AS A SIDERAL CROP IN THE MIDDLE URALS CONDITIONS KW spring rape KW green manure KW mineral fertilizers KW hydrothermal coefficient KW yield KW nitrogen KW phosphorus KW potas-sium. JO Bulletin of KSAU AU Postnikov, P.A. AU Popova, V.V. AU Vasina, E.L. AU Tihanskaya, E.L. PY 2021 IS 0 PB Krasnoyarsk State Agrarian University