The book Radio Tracer Techniques for Agriculturists and Biologists presents an overview of the fundamental principles and practices associated with radio tracer techniques. It outlines the practical applications of these techniques in the fields of agriculture and biological science, as well as providing detailed information on the necessary instrumentation and laboratory setup. The book also highlights the important safety considerations that must be taken into account when working with radioactive materials. This comprehensive resource is an invaluable asset for anyone engaged in the use of radio tracers.