This book provides chapter on organic farming microorganism, organic versus conventional agriculture, plant growth promoting rhizobacteria, organic matter, biofertilizer, uses of biofertilizer, stable soil organic matter, food, microbial genetics and future prospects of organic farming. Organic farming always promotes the use of crop rotations and cover crops, and encourages balanced host/predator relationships. Organic residues and nutrients produced on the farm are recycled back to the soil. Cover crops and composted manure are used to maintain soil organic matter and fertility. The book provides latest information in the field and will be informative and useful for all readers.