Practical Manual of Plant Ecology and Plant Physiology is a text book meant for B.Sc, B.Sc (Hons.) and M.Sc, students taking botany as a subject. It is also useful for students of Agriculture and Microbiology. The manual is easy to use and guides the students step by step in conducting experiments in the laboratory. The text material is illustrated with a number of neatly drawn diagrams. The experiments chosen are such that they can be used by students of all Universities. Constructive criticisms are welcome from the users of the book.