Synopsis The science of Plant Physiology is never static but always changing as new facts are discovered and fresh concept developed. Many aspects of practical agriculture can benefit from more intensive research in plant physiology to the solution of practical problems in agronomy, forestry, horticulture and other fields give an added dimension to the already recognized importance of research in basic plant physiology. This book will serve as an excellent reference material and practical guide for scientists, teachers, students, planners and administrators interested in plant physiology, botany and agriculture science.