This book provides comprehensive insights into the field of water management with respect to irrigation. Irrigation refers to the practice of using and distributing water via artificial sources for maximum healthy produce. It is especially done in the areas which witness low rainfall and have scarce water facilities to ensure better crop production. Fresh water being a scant resource makes water management an essential practice. Therefore, water management while irrigating crops becomes a necessity. This book will discuss in detail the various techniques applied to minimize water wastage and pollution while irrigation. It will also give detailed information about the varied theories related to this field. Those with an interest and an eye for detail, will find this text full of crucial information. It will serve as a beneficial guide for students, researchers, farmers, environmentalists and others interested in this subject.