Humic acids – health hidden in the soil 
Zdravie.sk
06/2022
Land care is the basis of successful viticulture 
sady a vinice
01/2022
Humic acids as a real alternative to zinc oxide in pig farms 
Roľnícke noviny
21.08.2019
The research of natural humic acids at UVLF in Košice is applied in practice 
Roľnícke noviny
10.07.2019
Natural humic acids – a real alternative 
Roľnícke noviny
26.06.2019
Humic substances, the basis of various carbon-based conditioners 
úroda
04/2018