The following text provides an overview of a book that covers the concepts and relevance of organic agriculture in 16 chapters. The book delves into topics such as organic farming, basic information on biofertilizers, and the classification, nitrogen fixation, and Rhizobium, among others. The book is written in a simple and up-to-date manner, with statistics and data. The references for all chapters are included at the end of the book. This comprehensive textbook is suitable for scientists, teachers, research scholars, and students in both urban and rural areas. It is a valuable resource for those seeking to gain a deeper understanding of organic farming systems.