TY JOUR TI THE YIELD OF WINTER RYE AT USING BIO-OROGANIC FERTILIZER ‘NAGRO’ KW winter rye KW variety KW productivity KW bioorganic fer- tilizer ‘NAGRO’ KW energy cost KW bioenergy coefficient (efficiency) of sowing JO Bulletin of KSAU AU Pinchuk, L.G. AU Piyanykh, A.V. PY 2018 IS PB Krasnoyarsk State Agrarian University