This book offers a global perspective on weed science by presenting contributions from an outstanding group of researchers in 12 countries, reviewed by over 50 experts. It discusses technologies, which could relieve the negative impacts of weeds on crop production in a way that allows growers to optimise profits and preserve human health and the environment. These technologies represent the science of weed management. The aim of the book is to provide insight and recent progress in the science of weed research. Articles presenting the novel and critical appraisals of specific topics are included.