The present publication is an up-to-date, authentic and comprehensive dictionary of agricultural science, which recognises that agricultural science is a field in its own right, with its own language, and that terms and their definitions are important for professionals and students of agricultural science. It aims to provide clear, concise, and correct definitions and descriptions of the terms used in agricultural science. The terminology of all the branches of agricultural science are included in this work. This work is designed to be a comprehensive reference tool for students and professionals of agricultural science. It is earnestly hoped that it will be an authoritative source to which one can turn with confidence for meaning and knowledge of the common, specialised and latest terms in students and professionals in agriculture allied fields.