Microorganisms
in
Soil - It seems obvious that microorganisms are in the soil because there is food. Soils are excellent cultural media for the growth of many types of organisms. This includes bacteria, fungi, algae, Protozoa and viruses.
In addition, various nematodes, insects etc. are also present. A spoonful of soil contains billions of microorganisms. In general the majority of microbial population is found in the upper six to twelve inches of soil and the number decreases with depth.





