International Water Management Institute
- Contains information about irrigation systems and better water management.
- http://www.iwmi.cgiar.org/

Subsurface Drip Irrigation Demonstration and Research Project
- University of Arizona. Subsurface drip irrigation demonstation and research project for the purpose of evaluating and disseminating information.
- http://cals.arizona.edu/crops/irrigation/azdrip/azdripindex.html

Irrigation Engineering
- A list of articles and online reference material, published by the Cooperative Extension at the University of Nebraska.
- http://ianrpubs.unl.edu/irrigation/index.htm

Mission Regionale Eau-Agriculture
- The French Mission for Water and Agriculture implements cooperation projects concerning water uses in agriculture in Jordan, in the Palestinian Territories and in Lebanon. Several topics are dealt with: irrigation efficiency, tensiometry, agricultural wat
- http://www.mrea-jo.org/

International Irrigation Center
- An irrigation support site with links to equipment information and news.
- http://www.engineering.usu.edu/bie/IIC/IIC.htm

Gender Water Alliance
- An Associated Programme of the Global Water Partnership (GWP) funded by the governments of the Netherlands and United Kingdom. Works under the premise that "effective, efficient and equitable water resources management is only achieved when both wome
- http://www.genderandwateralliance.org/

BIE: Irrigation Engineering Software
- Computer software developed by the Software Engineering Division of the Biological and Irrigation Engineering Department.
- http://www.engineering.usu.edu/bie/software/

Free Landscape Sprinkler Irrigation System Design Tutorial
- Describes what information to collect, what equipment one would need, and determine pipe size requirements.
- http://www.irrigationtutorials.com/sprinkler00.htm

Disease Management for Nurseries
- Topics include: capturing and recycling irrigation runoff and managing disease in recycling irrigation systems. From The Department of Entomology and Plant Pathology, Oklahoma State University.
- http://zoospore.okstate.edu/zoospore/

ANCID
- Australian National Committee - International Commission on Irrigation and Drainage Incorporated.
- http://www.ancid.org.au/

ESI Environmental Sensors Inc.
- Manufactures irrigation instrumentation for monitoring and controlling water.
- http://www.esica.com/

Waterright.com.au
- Provides information on water management and usage, simple irrigation systems.
- http://waterright.com.au

Trickle Irrigation Calculator
- Calculations for designing trickle irrigation systems.
- http://www3.telus.net/public/c_burton/indexdrip.htm

Water Management and Irrigation Systems Group
- Part of the Food and Agriculture Organisation. Presents information on its activities and programmes, including events, on-line publications, software and guidelines.
- http://www.fao.org/landandwater/aglw/watermanagement/

WCA infoNET - Water Conservation and Use in Agriculture
- Publications, documents and data, computer programs, and discussion groups on the subjects of water, irrigation and drainage.
- http://www.wca-infonet.org

USDA Irrigation Page
- Handbooks, training materials, and other resources from United States Department of Agriculture.
- http://www.wcc.nrcs.usda.gov/nrcsirrig/

Irrigation
- This site discusses irrigation techniques using water from rivers.
- http://www.dhisoftware.com/mikebasin/helpsys/MbasinIrrigation.htm

Irrigation Association of Australia
- Provides information about the irrigation industry and standard practices.
- http://www.irrigation.org.au/

Irrigation Training an Research Center
- University web site. Focusing on irrigation training and research.
- http://www.itrc.org/

FAO: Water Resources, Development and Management Service
- Promotes efficient use and conservation of water resources to achieve food security and sustainable agriculture and rural development.
- http://www.fao.org/ag/AGL/AGLW/AGLW.HTM

Wetland Reservoir Subirrigation Systems
- Article describes a system comprised of a wetland and a water storage reservoir linked to a network of subsurface pipes used at different times to either drain or irrigate crops through the root zone.
- http://www.landandwater.com/features/vol44no3/vol44no3_1.html

Center for Irrigation Technology
- An independent research and testing facility, based at California State University. Dedicated to advancing irrigation technology.
- http://cati.csufresno.edu/cit/

Texas Waternet
- Texas Water Resource Institute. Has articles and links about irrigation and water management.
- http://twri.tamu.edu/

Irrigation Journal
- Journal for the agricultural irrigation industry including engineers, on-farm specialists, and extension agents.
- http://www.greenindustry.com/ij/current

The Irrigation Association
- Updates on irrigation equipment. Handbooks and tips.
- http://www.irrigation.org/

Irrigation and Drainage Research Directory
- Directory of USDA-Agricultural Research Service (ARS) irrigation and drainage research information.
- http://www.ars.usda.gov/id/

Weather Monitoring and Irrigation Control
- Remote data acquisition for weather monitoring and irrigation control. Also, water management, pest management, plant disease prediction.
- http://automata-inc.com