The paper has as objective the study of the humus and nitrogen content from the main types of soil from this area periodically affected by floods and also influenced by the phreatic waters and antropic factors. Regards are made about the nitrogen and humus reserves and are presented dates from the humus located in the construction materials of habitation near this area. A series of practical recommendations are made regarding fertilization and the lost of nitrogen, respectively avoiding the underground water pollution.

soil; humus; nitrogen; nitrate; pollution

Presentation: oral