Insecticides and pesticides are chemicals used to protect crops and treat unwanted infestation by insects and pests. They are toxic substances and should be used judiciously. This book attempts to assist those with a goal of delving into the field of insecticides and pesticides treatment and manufacture. For someone with an interest and eye for detail, this book covers the most significant topics in this field. Also included in this textbook is a detailed explanation of the various methods and practices of crop protection. This complex subject is presented in the most comprehensible and easy to understand language. This text aims to serve as a resource guide for students and explain the discipline better.