Formation of grass stands of variegated alfalfa (Medicago varia, M. media) on acidic sod-podzolic soilsS.A. Dikareva, N.N. Lazarev, E.M. Kurenkova and A.V. ShitikovaBIO Web Conf., 139 (2024) 04011DOI: https://doi.org/10.1051/bioconf/202413904011