What types of microbial fertilizers are there?

Biofertilizer can be divided into the following five categories according to its different functions:
1. Bacterial fertilizer with nitrogen-fixing effect: including rhizobia, nitrogen-fixing bacteria, nitrogen-fixing cyanobacteria, etc.;
2. Bacterial fertilizer that decomposes soil organic matter: including organophosphorus bacteria and compound bacteria;
3. Bacterial fertilizer that decomposes insoluble minerals in soil: including silicate bacteria, inorganic phosphorus bacteria, etc.;
4. Bacterial fertilizers that promote crops’ utilization of soil nutrients: including mycorrhizal bacteria;
5. Bacterial fertilizers that resist disease and stimulate crop growth: including antibiotics, yield-increasing bacteria, etc.