TY JOUR TI YIELD OF EARLY MATURING SPRING WHEAT VARIETIES IN DIFFERENT NATURAL AND CLIMATIC ZONES OF THE KRASNOYARSK REGION KW mid-early varieties KW natural zone KW yield KW variability KW contribution KW correlation JO Bulletin of KSAU AU Nikitina, V.I. AU Kolichenko, A.A. AU Halipsky, A.N. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University