Pre-sowing activation of seeds by ultraviolet (UV) radiation Anvar Anarbaev, Obid Tursunov, Dilshod Kodirov, Ibrokhim Khudaev, Khayrulla Isakhodjayev and Sayid Islikov E3S Web Conf., 304 (2021) 03040 Published online: 21 September 2021 DOI: 10.1051/e3sconf/202130403040