Methodology of estimation of forest-growing potential of soils and its approbation on the example of the Leningrad Region, Russian FederationBoris Aparin, Maria Zakharova, Elena Sukhacheva, Vitaly Terleev, Aleksandr Nikonorov and Luka AkimovE3S Web Conf., 157 (2020) 02028DOI: https://doi.org/10.1051/e3sconf/202015702028