The need of elementary experimental protocols in crop physiology courses for undergraduate and post graduate students have been keenly felt after adoption of revised course curricula. In the present book, emphasis has been given to describe the methodologies in a simple and logical manner. Important assay methods related to carbohydrates, nitrogen, phosphorus, fats, enzymes, growth hormones and physiology of growth has been provided besides preparation of buffers and standard solutions. This book is useful for students and research workers in botany, plant physiology, biochemistry, horticulture, agronomy and other cognate disciplines.