TY JOUR TI The content of biologically active substances in the green biomass of perennial onions (Allium L.) KW Allium KW perennial onions KW biologically active substances KW green biomass KW flowering JO Agrarian Bulletin of the AU Kukushkina, T.A. AU Fomina, T.I. PY 2021 IS 207 PB Ural State Agrarian University