Drip irrigation being used in a field.

DOI. Bureau of Reclamation.

"Due to a significant reduction in program funding in FY2005, the majority of program activities were suspended. The website provides current data for other associated programs, research activities, and the status of each project in FY2005. This serves as an invaluable foundation for ongoing research activities and future remediation in these project areas."

WWW Virtual Library System.

Extensive collection of information sources covering a wide variety of topics related to irrigation.