Evaluation of soil salinity level through using Landsat-8 OLI in Central Fergana valley, UzbekistanIlhomjon Aslanov, Shovkat Kholdorov, Shodiqul Ochilov, Azamat Jumanov, Zafarjon Jabbarov, Ilyakhoja Jumaniyazov and Normamat NamozovE3S Web Conf., 258 (2021) 03012DOI: https://doi.org/10.1051/e3sconf/202125803012