Texas Waternet - Texas Water Resource Institute. Has articles and links about irrigation and water management. International Water Management Institute - Research on water management in agriculture, irrigation, groundwater, river basins, wetlands, ecosystems, food security, wastewater and climate change. Irrigation Association of Australia - Provides information about the irrigation industry and standard practices. Weather Monitoring and Irrigation Control - Remote data acquisition for weather monitoring and irrigation control. Also, water management, pest management, plant disease prediction. The Irrigation Association - Updates on irrigation equipment. Handbooks and tips. 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. Irrigation Training and Research Center - University web site. Focusing on irrigation training and research. 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. Waterright.com.au - Provides information on water management and usage, simple irrigation systems. ESI Environmental Sensors Inc. - Manufactures irrigation instrumentation for monitoring and controlling water. Free Landscape Sprinkler Irrigation System Design Tutorial - Describes what information to collect, what equipment one would need, and determine pipe size requirements. Subsurface Drip Irrigation Demonstration and Research Project - University of Arizona. Subsurface drip irrigation demonstration and research project for the purpose of evaluating and disseminating information. Water Quality Handbook for Nurseries - Information on nursery management practices including water quality, best management, nutritional management, irrigation, IPM, pesticides, capturing and recycling water, and doing an environmental audit. Center Pivot Irrigation Systems - Blog concerned with these irrigation systems and their components. Also provides news about irrigation and agriculture. Irrigation - Covers a large number of topics including evapotranspiration, fertigation, irrigation practices and microirrigation. From the University of Florida IFAS Extension. Fertigation: Technology - Explains what fertigation is, the system setup, the crop infrastructure and the crop elements. Offers a manual and practical fertigation videos. 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. Tanks of South India - Provides information on these water harvesting and storage systems found in most parts of South India which serve as a source of water for humans, cattle and agriculture.