Improvement of dill freeze-drying technology Ulugbek Kadirov, Ulug’bek Mannanov, Mirolim Aripov, Mirazam Meliboyev and Sherzod Mamatov E3S Web of Conf., 222 (2020) 03002 Published online: 22 December 2020 DOI: 10.1051/e3sconf/202022203002