Preparing method and algal inhibition application of pseudomonas microorganisms

The invention discloses a preparing method of pseudomonas microorganisms. The preparing method includes the steps that a pseudomonas culture medium is manually prepared, EM original liquid with the certain volume ratio is added, selective culturing is conducted, then cultured pseudomonas culture liquid with the certain volume ratio is taken and added into a new pseudomonas culture medium, re-culturing is conducted, and then pseudomonas liquid is obtained. The pseudomonas liquid is applied to water-body-eutrophication algal outbreak inhibition, and algal inhibition modes of directly attack algae cells and secreting algal inhibition substances are adopted; the amount of pseudomonas is related to the algal inhibition effect. The pseudomonas microorganism serves as an 'algal inhibition agent',a natural biological material is adopted, the environment affinity is high, substances generated by the pseudomonas cam be naturally degraded, secondary pollution in the using process is avoided, operation is easy and conven