Irrigation pumping stations according to the hydraulic and operational indicators of pumping unitsMakhmudjon Mamajanov, Bakhtiyor Uralov, Marina Li, Eshmatboy Qalqonov, Panji Nurmatov and Abdulatif GayurE3S Web Conf., 264 (2021) 03074DOI: https://doi.org/10.1051/e3sconf/202126403074