Irrigation came to the arid West in a wave of optimism about the power of water to make the desert bloom. Mark Fiege’s fascinating and innovative study of irrigation in southern Idaho’s Snake River valley describes a complex interplay of human and natural systems. Using vast quantities of labor, irrigators built dams, excavated canals, laid out farms, and brought millions of acres into cultivation. But at each step, nature rebounded and compromised the intended agricultural order. The result was a new and richly textured landscape made of layer upon layer of technology and intractable natural forces—one that engineers and farmers did not control with the precision they had anticipated. Irrigated Eden vividly portrays how human actions inadvertently helped to create a strange and sometimes baffling ecology.

Based on papers and discussions from a conference held in Monterey, Calif., Sept. 1982 and sponsored by the Directorate on Arid Zone Ecosystems of the United States Man and the Biosphere Program et al.

This publication has been prepared in the interest of a permanent irrigation agriculture. Irrigation has played an important role in the remarkable achievement by farmers in this nation in meeting wartime and postwar production goals. It may play an even greater part in our future agricultural production. The food needs of a growing population and the establishment of desirable trade relations with other nations will require the maintenance of efficient, high-level agricultural production.

In December 2002, a group of specialists on water resources from the United States and Iran met in Tunis, Tunisia, for an interacademy workshop on water resources management, conservation, and recycling. This was the fourth interacademy workshop on a variety of topics held in 2002, the first year of such workshops. Tunis was selected as the location for the workshop because the Tunisian experience in addressing water conservation issues was of interest to the participants from both the United States and Iran. This report includes the agenda for the workshop, all of the papers that were presented, and the list of site visits.

This Book includes selected papers that has been published in the Water journal Special Issue (SI) on Water Supply and Water Scarcity. Moreover, an overview of the SI is included. The papers selected for publication in the SI include review and research papers on water history, on water management issues under water scarcity regimes, on rainwater harvesting, on water quality and degradation, and on climatic variability impacts on water resources. Overall, the issue identify and highlight the main challenges in water sector, and particularly in management and protection of water resources and in use of alternative (non-conventional) water resources, especially in areas with demographic change and climate vulnerability in order to achieve sustainable and secure water supply. Furthermore, general guidelines and possible solutions for an improved and sophisticated water management system are proposed and discussed, such as the adoption of advanced technological solutions and practices that improve water-use efficiency and the use of alternative water resources, to address the growing environmental and health issues and to reduce the emerging conflicts among water users.

First title in a major new seriesAddresses improving water productivity to relieve problems of scarcity and competition to provide for food and environmental securityDraws from scientists having a multitude of disciplines to approach this important problemIn a large number of developing countries, policy makers and researchers are increasingly aware of the conflicting demands on water, and look at agriculture to be more effective in its use of water. Focusing on both irrigated and rain-fed agriculture, this book gives a state of the art review of the limits and opportunities for improving water productivity in crop production. It demonstrates how efficiency of water use can be enhanced to maximize yields. The book represents the first in a new series of volumes resulting from the Comprehensive Assessment of Water Management in Agriculture, a research program conducted by the CGIAR's Future Harvest Centres, the Food and Agriculture Organization of the United Nations and partners worldwide. It will be of significant interest to those working in areas of soil and crop science, water management, irrigation, and development studies.

This report contains a collection of papers from a workshopâ€"Strengthening Science-Based Decision-Making for Sustainable Management of Scarce Water Resources for Agricultural Production, held in Tunisia. Participants, including scientists, decision makers, representatives of non-profit organizations, and a farmer, came from the United States and several countries in North Africa and the Middle East. The papers examined constraints to agricultural production as it relates to water scarcity; focusing on 1) the state of the science regarding water management for agricultural purposes in the Middle East and North Africa 2) how science can be applied to better manage existing water supplies to optimize the domestic production of food and fiber. The cross-cutting themes of the workshop were the elements or principles of science-based decision making, the role of the scientific community in ensuring that science is an integral part of the decision making process, and ways to improve communications between scientists and decision makers.

"This edition provides the latest technology in the design of surface, sprinkler, and microirrigation systems along with basic information about soils and current information on estimating crop water requirements. New chapters have been added on planning systems, environmental issues, efficiency and uniformity, chemigation, and use of wastewater for irrigation."--Preface

By 1850 the Pima Indians of central Arizona had developed a strong and sustainable agricultural economy based on irrigation. As David H. DeJong demonstrates, the Pima were an economic force in the mid-nineteenth century middle Gila River valley, producing food and fiber crops for western military expeditions and immigrants. Moreover, crops from their fields provided an additional source of food for the Mexican military presidio in Tucson, as well as the U.S. mining districts centered near Prescott. For a brief period of about three decades, the Pima were on an equal economic footing with their non-Indian neighbors. This economic vitality did not last, however. As immigrants settled upstream from the Pima villages, they deprived the Indians of the water they needed to sustain their economy. DeJong traces federal, territorial, and state policies that ignored Pima water rights even though some policies appeared to encourage Indian agriculture. This is a particularly egregious example of a common story in the West: the flagrant local rejection of Supreme Court rulings that protected Indian water rights. With plentiful maps, tables, and illustrations, DeJong demonstrates that maintaining the spreading farms and growing towns of the increasingly white population led Congress and other government agencies to willfully deny Pimas their water rights. Had their rights been protected, DeJong argues, Pimas would have had an economy rivaling the local and national economies of the time. Instead of succeeding, the Pima were reduced to cycles of poverty, their lives destroyed by greed and disrespect for the law, as well as legal decisions made for personal gain.