TY JOUR TI Study of varieties of chinese callistephus (Callistephus chinensis L.) in cryolithozone conditions KW callistephus KW annual flowers KW flowering plants KW varieties KW growth KW development JO Agrarian Bulletin of the AU Vladimirova, S.. AU Petrova, I.. AU Lukina, M.. PY 2024 IS 24 PB Ural State Agrarian University