The 19th Meeting of the International Humic Substances Society

Humic Substances and their contribution to the climate change mitigation“.

September 16-21, 2018.

Albena Resort, Varna Region, Bulgaria.

For more information and registration, click here.

The organizers kindly invite exibitors of humic products and their application to take the advantage to exhibit their products. For more information, please contact Ekaterina Filcheva (