Andrejiová, A., Adamec, S., Hegedűsová, A., Hegedűs, O. and Rosa, R. 2023. Verification of the humic substances and PGPB biostimulants beneficial effects on the potato yield and bioactive substances content. Potravinarstvo Slovak Journal of Food Sciences. 17, (Jan. 2023), 1–15. DOI:https://doi.org/10.5219/1805.