The University of Nebraska Institute of Agriculture and Natural Resources’ Crop Watch for June 2006 offered several irrigation management ideas:
Wateright.org offers information on irrigation scheduling at their web site, including a tutorial. The tutorial was developed by the Center for Irrigation Technology at Cal State University in Fresno.
A source for drip irrigation resources and information is the Small Farm Connection web site at Washington State University. The site includes information on design, management, rules and regulations and suppliers and sources.