The book provides information on the underlying scientific principles behind soil fertility in organic farming systems, practical advice on managing soils in organic systems to maintain soil fertility and marketing aspects of organic farming to increase the likelihood of a profitable season and also the production techniques of compost and Vermicompost. The book is useful for organic operators, students, trainers, agriculture officers, entrepreneurs and others actively involved in development of organic farming. The authors welcome suggestions from readers for the improvement of the book in future.