Agriculture is the science or occupation of cultivating land and rearing crops and livestock. Since food is the most basic necessity for human survival,' Agriculture' is of utmost importance and thus agriculture sector occupies prominent position in the national economy. The present work, encyclopaedic in nature, contains authoritative description of all vital aspects of Agriculture. Supported by facts and figures, this work will prove beneficial and useful for students, researchers, agricultural scientists and policy planners in the field.