TY JOUR TI OPTIMIZING LIGHTING SPECTRAL COMPOSITION TO INCREASE THYME PRODUCTIVITY IN HYDROPONIC CONDITIONS KW thyme KW essential oil KW amino acids KW hydroponics JO Bulletin of KSAU AU Titenkov, A.V. AU Knyazeva, I.V. PY 2026 IS 0 PB Krasnoyarsk State Agrarian University