Organic Farming is a comprehensive resource that presents the fundamental principles and practices of organic farming. The text is organized into chapters that systematically cover the following topics: 1) the concepts and relevance of organic farming, 2) organic production requirements, 3) biological intensive nutrient management, 4) integrated pest, disease, and weed management, 5) quality control standards and certification, and 6) organic market opportunities. This book is designed to fulfill the needs of students studying agriculture in colleges and universities and serves as a standing guide for teachers to teach organic farming in the new concept of agriculture education and development.