Microrganisms present are heterotrophic and autotrophic and, these last, are important in nitrification.
Autotrophic microorganisms are important in nitrification. Microrganisms present are heterotrophic and autotrophic.
Microrganisms present are heterotrophic and autotrophic. Autotrophic microorganisms are important in nitrification.
Microrganisms present are heterotrophic and autotrophic. Autotrophic microorganisms are important in nitrification.