Table of Contents

Introduction. Microbes as biofertilizers, their types and importance. Rhizobium. Azotobacter. Azospirillum. Acetobacter diazotrophicus. Blue-green algae. Azolla. Frankia: N2-fixing endophytes. Phosphate solubilizing microorganism. Vesicular arbuscular mycorrhizae. Sulphur oxidizing microorganism. Silicate solubilizing biofertilizers. Potassium solubilizing biofertilizers. Composting culture. Production technology of biofertilizers. Assessment of quality standards of biofertilizers. Application technology of biofertilizers. Advantages, limitations and constraints.

About the Author

Prof. Suresh Borkar is the University Head of the department of Plant Pathology and Agricultural Microbiology since 2005. He is a fellow of Indian phytopathological society and the Eurasian Academy of environmental sciences. He has also served as Dean, Post Graduate Institute of Mahatma Phule Krishi Vidyapeeth, Rahuri, during 2012–2013. He has published more than 75 research papers in around 25 National and 7 foreign journals. He has developed 4 Wheat varieties, 1 patent, several technologies and recommendations, and new strains of beneficial microbes.