1. SCP:-
It is protein-rich microbial biomass which can be used as food and feed. It has low-fat content. The common SCP are Spirulina.
Yeast and Fusarium graminearum.
2. Soil:-
Microbes play an important role in decomposition of organic matter and thus cause mineralization of the soil. The are used as biofertilizers and biopesticides.