Book excerpt: Modern techniques of crop production, as well as the application of agrochemicals such as pesticides and fertilizers, have resulted in increased crop yields. Crop production systems vary with the availability of resources as well as with climatic and geographic factors. Some important crops include cereals, legumes, fruits, vegetables and natural fibers like cotton, wool, silk, etc. Tillage, pest control, nutrient management and water management are commonly practiced in agriculture. Crop alteration through breeding techniques like trait selection, self-pollination and cross-pollination is practiced in modern agriculture to develop characteristics like improved yields, drought tolerance and pest resistance. This book highlights the central theories and practices of a stable crop production system. It also presents the modern studies and technological advances in this field. It elucidates the concepts and innovative models around prospective developments with respect to crop production. The content herein is appropriate for students seeking detailed information in this area as well as for experts.