This book has been written as an agriculture aid for fanner, agronomists and agriculture engineers on the effective practices and methodology of weed control and management. It aims to delineate processes and techniques, both age-old as well as contemporary, which are involved in managing weeds taking special care to take into account the challenges laced by farmers in weed control, such as recurrence, resistance to management techniques and emergence of newer species of weeds. Highlighting the role of weeds as a threat to agriculture yield, the book gives wide coverage to current trends and developments in weed management, explaining simultaneously future challenges and prospects.