TY JOUR TI PROPAGATION OF STEPPE CHERRY ON A PEAT-SAND SUBSTRATE WITH SAPROPEL ADDITION KW steppe cherry KW green cuttings KW substrate KW sapropel KW rooting of cuttings KW morphometric parameters KW contribution of the factor KW regression relationship JO Bulletin of KSAU AU Bopp, V.L. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University