This book focuses on the application of microorganisms in various aspects of life such as plant protection and improvement, environmental remediation, and the improvement of plant & human health. Various applications of microorganisms are examined in depth, e.g. applied microbiology in agriculture, microbes in the environment, the development of new microbial enzymes, and microbes in human health. In turn, the book shares insights into the diverse microorganisms that have been explored and exploited in the development of various applications for agricultural improvements. It also discusses the detection and exploitation of microorganisms in the diagnosis of human diseases, which offer potential holistic approaches to health. Presenting the latest information and findings on the applications of microbial biotechnology, the book offers a valuable resource.