The purpose of bringing out a book entitled, "Agronomy at a Glance" to present convenient and concise source of precise definition of terms used in agricultural science to our readers engaged in research teaching and development of agriculture. The manuscript was prepared keeping in view the need of graduate students both at junior and senior levels. At present, there is no comprehensive reference book non Terminology of agronomy in Agricultural Science and applied aspects suitable for farmers and students. This book entitled, "Terminology of Agronomy in Agricultural Science and applied aspects suitable for farmers and students. This book entitled, "Terminology of Agronomy" will Provide comprehensive information on the subject matter and fulfil the needs of students and other professionals. This book makes an attempt to present the available information on the modern concepts of agricultural research and advanced principles in crop production easily understandable manner.