Nikolas
Created page with "* Health effects of soil contamination ** According to the European hazard symbols, chemical which are dangerous to the soil and environment are noted by the letter N ** Sources of soil contamination *** Landfills *** Deforestation *** Pesticides, fertilizers *** Acid rain ** Biotic factors of soil with health impact *** Geohelminths *** Protozoa *** Bacteria ** Chemical factors of soil with health impact *** Heavy metals **** Arsenic **** Lead **** Mercury *** Mineral o..."