The contents of the book are to give a broad and practical overview of Agricultural research. High quality research generate new knowledge and technologies which lead to high productivity. To achieve these goals, it is imperative to have properly trained and highly motivated professional human resources in addition to excellent research support services. The contents of this book covers the present status of Agriculture research and levels of crops productivity in Pakistan. This book emphasized on the performance of Agricultural Research System which will strengthen the exisiting ability of the Graduate Students, Managers/Directors and R & D organizations to evaluate the efficiency of Agricultural Research System. This book represents the efforts of the individuals who have been closely associated with Agricultural Research.