Studying soil-reclamation state of rice agricultural landscapes Nadezhda Malysheva, Sergey Kizinek, Anna Khadzhidi, Lyudmila Kravchenko, Valeriia Chegge, Dzhuletta Sarkisian and Sirun Saakian E3S Web Conf., 210 (2020) 04006 Published online: 04 December 2020 DOI: 10.1051/e3sconf/202021004006