The present book Microbial Biodiversity in Sustainable Agriculture covering the all the information’s on area of macro and microorganisms. It mainly includes bio-fertilizers, sustainable plant diseases management, soil fertility, bio-control of insect pests, mycotoxin, and PGPR. This will provide an agricultural sustainability in basic and applied research related to plant and microbes. The manuscripts of this book are mostly invited ones from the eminent academicians from various scientists, teachers, researchers of Renounces University and Institutions. This Microbial Biodiversity in Sustainable Agriculture is intended for the undergraduate post graduate research scholars senior research fellow, and research associate in agriculture, biotechnology, botany, microbiology, home sciences, food sciences, horticulture and forestry.