Microbes have incredibly diverse functions in the soil. There are nitrifying microbes that convert ammonium to nitrite, and then nitrate. There are microbes that can metabolize fertilizers and pesticides and even pollutants. But even though the properties of some soil microbes are known, there is a lot still to learn, such as how important teamwork among different organisms is in providing these services.
Read full article here: https://phys.org/news/2017-03-microbes-soil-essential-life-mitigate.html