Hydraulic calculation of irrigation settling tanks of Amu Darya irrigation systems Kenesbay Baimanov, Kadirbek Nazarbekov, Ruslan Baimanov and Sharap Tazhibayev E3S Web Conf., 264 (2021) 03027 Published online: 02 June 2021 DOI: 10.1051/e3sconf/202126403027