TY JOUR TI Influence of a growth stimulator on the biological and morphological parameters of perennial herbaceous plants KW Campanula persicifolia L. KW C. carpatica Jacg. KW Phlox paniculata L KW “Lignogumat” KW decorative qualities KW Bashkir Urals JO Agrarian Bulletin of the AU Reut, A.A. AU Allayarova, I.N. AU Biglova, A.R. PY 2023 IS 235 PB Ural State Agrarian University