Fixation of atmospheric nitrogen.
Decomposition of organic wastes and residues.
Suppression of soli-borne pathogens.
Recycling and increased availability of plant nutrients.
Degradation of toxicants including pesticides.
Production of antibiotics and other bioactive compounds.
Production of simple organic molecules for plant uptake.
Complexation of heavy metals to limit plant uptake.
Production of polysaccharides to improve soli aggregation.