Soil organic matter in temperate forest-grassland systems: A case study from the Southern Cis-Ural, RussiaAzamat Suleymanov, Iren Tuktarova, Larisa Belan, Ruslan Suleymanov and Anastasia VittsenkoE3S Web Conf., 411 (2023) 02004DOI: https://doi.org/10.1051/e3sconf/202341102004