TY JOUR TI FORMATION OF AGROPHYTOCENOSIS AND SPRING SOFT WHEAT YIELD WITH APPLICATION OF MEGAMIX MICRO-FERTILIZING MIXTURES FOR THE FOREST-STEPPE CONDITIONS OF THE MIDDLE VOLGA REGION KW wheat KW treatment KW fertilizers KW mixture KW yield KW properties JO Bulletin Samara State Agricultural Academy AU Vasin, V.G. AU Burunov, A.N. AU Strizhakov, A.O. PY 2021 IS 6 PB Samara State Agrarian University