to consolidate the efforts of
the Bulgarian scientists

This website presents information about Bulgarian Humic Substances Society (BHSS) – chapter of International Humic Substances Society (IHSS). The society was founded in 1997. At present, BHSS has a membership of 64 scientists and specialists. Individual members of IHSS – Bulgarian Chapter have a membership of 34 scientists. They are scientists and specialist from research institutes, Universities and private firms.

The results convinced the audience that straw is not a waste but a valuable product. it must be plowed (incorporated) into the soil that plant residues are a source of energy and nutrients. They support biodiversity management and create opportunities to improve soil fertility. The burning of plant residues leads to a decrease in soil organic matter in the humus horizon, and as is well known, the formation of humus takes hundreds of years.