Irrigated Agriculture: Technologies, Practices, and Implications for Water Scarcity.

The article reports a study by the U.S. Government Accountability Office (GAO) on the demand for freshwater which surpasses the amount naturally available in some areas of the U.S. Topics include conducting a technology assessment around agricultural water use; an overview of irrigation technologies and on-farm water conservation practices, factors and implications of use for water scarcity; and regression analysis of the U.S. Department of Agriculture irrigation, crop and technology data.