Propogating Micro-Organisms

[daihashi]

I hear a lot of people talk about micro-organisms

but specifically; what micro-organisms? what are their functions within the soil?

Isn't there a possiblity that micro-organisms are harmful?

hope this doesnt count as thread jacking I'll re-thread the question if you wish

nah.. this isn't hijacking a thread.

Here is a good all around article that I feel will give you a decent explanation:

Soil microbiology: Definition from Answers.com