Hybrid seed production of Agronomic crops is the compilation of technologies for hybrid seed production of important field crops. The crops include rice, maize, sorghum, pearl millet, pigeon pea, cotton, sunflower and castor. In each chapter, the information on nutritive value, uses, origin and distribution, area, production and productivity, floral biology, heterosis and hybrid vigour, packages of practices  for commercial hybrid seed Production such as hybrids released, techniques of hybrid seed production, climate, season, soil, land requirements, land preparation, seed rate, presowing seed treatments, nursery management, Spacing, Manures and fertilizers, planting ratio, staggered sowing foliar application, technologies to overcome nonsynchronous flowering, water and weed management, special techniques for increasing seed set, rogueing, plant protection measures, physiological disorders, nutrient deficiency, seed maturity, harvesting and threshing , seed grading, seed yield, seed storage and seed certification standards, are furnished in detail along with research findings of previous research work done by the Scientists and Researchers. Besides, a chapter on current trends and issues in Agricultural Hybrid Seed Industry is also included in this book.