There are many textbooks available for plant physiology, difficulty in understanding the terminologies in crop physiology become a hindrance to fully utilizing the textbooks of crop physiology.This book has most of the terminology which is commonly used mainly in Crop physiology and also from biochemistry, plant breeding genetics, Agronomy, soil science. Besides, few statistical terms that are commonly used in biological research also included.This book will be of immense use to the undergraduates and postgraduates' students of agriculture, biochemistry, and botany and would also helpful in various competitive exams including UPSC, TNPSC, Agricultural officers, Horticultural officers and other exams.