Amount of bacteria in soil

Range 10^8 to 10^9 cfu/g soil
Organism Biosphere
Reference Topley and Wilson's Microbiology and Microbial Infections, Guy R. Knudsen, Bacteriology of soils and plants, p.2 left column 2nd paragraph
Primary Source Metting, F.B. (ed.) 1993. Soil microbial ecology. New York: Marcel Dekker.
Comments cfu=colony forming unit. Bacteria are usually the most numerous organisms in soils, with commonly as many as 10^8–10^9 cfu/g of soil (primary source).
Entered by Uri M
ID 107505