There are few issues that have greater impact on the life of mankind and the planet as a whole than the management of our most important natural resources water. This has only been realised in detail more recently by the general public as well as by many planners and decision-makers. Around the world they have begun to appropriate the critical importance of a reliable water supply for their future survival and sustainable development. In many localities of the earth water-related problems have become extremely acute, even critical. In some places they are the source of social instability and are a threat to international security. There is not the slightest doubt that, with further population increase and under the water business-as-usual scenario, these problems will become ever major acute, thus creating ever more instability. After decades of water waste, water pollution, and inability to provide basic water services to the poor we must fundamentally change the way we think about and manage water. We have to realise that water can no longer be considered to be a cheap and plentiful resource, which can be used abused or squandered without much concern for further human welfare. This book is intended as a reference book for students in economics, agriculture and engineering. It will be a valuable reference to research scholars, agricultural scientists, bankers, farmers, estate owner and others dealing with tube well irrigation systems.
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