Book excerpt: This new volume addresses the global water crisis by presenting new ways to use irrigation water judiciously through innovative fertigation management. It looks at the research and review work done throughout the world on micro irrigation and the techno-economic feasibility of various fertigation irrigation water management systems. Taking a multidisciplinary perspective, the chapters look at using fertigation to increase the effectiveness of irrigation systems crop performance evaluation of various crops under fertigation and irrigation methods estimating levels of crop requirements scheduling of fertigation and irrigation new fertigation equipment and technology cost components of the various irrigation and fertigation systems