TY JOUR TI FORMATION OF PHOTOSYNTHETIC APPARATUS AND YIELD OF SPRING WHEAT UNDER VARIOUS POMACE MIXTURES ON DARK GRAY FOREST SOILS IN TRANS-URAL REGION KW spring wheat KW photosynthetic de-vice KW area of leaves KW pomace mixes KW productivity KW power efficiency JO Bulletin of KSAU AU Perfilyev, N.V. AU Vyushina, O.A. PY 2017 IS PB Krasnoyarsk State Agrarian University