TY JOUR TI LUPINE BARE FALLOW AS AN EFFECTIVE WAY Of INCREASING YIELD AND IMPROVING GRAIN QUALITY OF SPRING WHEAT KW spring wheat KW predecessors KW green manure crops KW grain quality JO Bulletin of KSAU AU Gryazina, F.I. AU Danilova, O.A. PY 2016 IS PB Krasnoyarsk State Agrarian University