Complex assessment of prospects for cultivation of ultra-early and very early ripening table grape varieties in the CrimeaVladimir Boiko, Natalia Urdenko, Magomedsaigit Beibulatov, Nadezhda Tikhomirova and Roman BuivalE3S Web of Conf., 444 (2023) 04033DOI: https://doi.org/10.1051/e3sconf/202344404033