Evaluation of soil salinity level through NDVI in Syrdarya province, Uzbekistan Abdulla Djuraev, Dilmurod Mirdjalalov, Alisher Nuratdinov, Tuychi Khushvaktov and Yunus Karimov E3S Web Conf., 258 (2021) 03017 Published online: 20 May 2021 DOI: 10.1051/e3sconf/202125803017