ONTOGENESIS STAGES OF RED ECHINACEA (ECHINACEA PURPUREA L.) GROWN IN THE CONDITIONS OF SURKHANDARYA REGION. AGRO [Internet]. 2025 Dec. 31 [cited 2026 Oct. 14];3(4):59-64. Available from: https://www.agroinnovatsiya.uz/index.php/ag/article/view/228