Organic farming is a technique of producing crops, in which the use of synthetic and chemical inputs like fertilizers, pesticides, growth regulators and livestock feed additives is avoided. To reduce the harm caused by indiscriminate use of synthetic chemicals, organic materials such as farm manure, compost, vermicompost, biofertilizer, biopesticide and so on, can be used. Over the years, need to go organic in agriculture is being increasingly felt for attaining sustainable production. The present book incorporates articles on different aspects of the subject in two sections. Section I deals with information on Organic Farming and Section II includes articles on Mycorrhizae. Both the sections provide most extensive and thematic coverage of the subject. It incorporates articles on organic farming, biofertilizers, PGPR bioinoculant, role of mycorrhiza in agriculture, biopesticides, VAM biotechnology and economics of bio-inputs usage in agriculture. It is of interest to agricultural scientists, teachers and researchers in the field of agriculture.