Technological, agronomical and economic efficiency of new organic and organo-mineral soil amendmentsViktoriia Hetmanenko, Ievgen Skrylnyk, Anatolii Kucher, Angela Kutova and Katerina ArtemievaE3S Web Conf., 280 (2021) 06004DOI: https://doi.org/10.1051/e3sconf/202128006004