Land use influence on organic carbon dynamics in soils of dryland agrolandscapes Olga Soboleva, Darya Vasilieva, Galina Koloshina, Tatiana Pimshina and Alexey Revyakin E3S Web Conf., 273 (2021) 06010 Published online: 22 June 2021 DOI: 10.1051/e3sconf/202127306010