Pollutants in the soil can be broken down by microorganisms. This process is called

Bioremediation is the breakdown of soil pollutants by microorganisms into harmless products.

Probiotics are beneficial gut microbes, unrelated to soil cleanup.

Bioaugmentation adds specific microbes to boost degradation but is a narrower technique.

The claim that none applies is wrong because microbial breakdown of pollutants is bioremediation.

Bacteria and fungi metabolise contaminants such as oil and pesticides in the soil.

Phytoremediation is a related method that uses plants to extract pollutants.