This book explores all the important aspects of weed and pest control in the present day scenario. Pest control is a practice used to control, manage and regulate the harmful pests. Weeds control is a part of pest control, it is used to control the growth of unwanted injurious and noxious plants called weeds. This text is a valuable compilation of topics, ranging from the basic to the most complex theories and principles in the field of weed and pest control. It aims to serve as a resource guide for students and experts alike and contribute to the growth of the discipline.