Hydroponics

Hydroponics as a Hobby - A circular from the Extension at University of Illinois at Urbana-Champaign, offers a basic history and guide to hobby hydroponics.
http://www.ag.uiuc.edu/~vista/html_pubs/hydro/hydrotoc.html

Hydroponics Online School - Provides a course on hydroponic cultivation.
http://www.hydroponicsonline.com/lessons/table-of-contents.htm

Home Hydroponics - An excellent introduction to the hydroponic methodology from the Virginia Cooperative Extension.
http://www.ext.vt.edu/pubs/envirohort/426-084/426-084.html

Role of Perlite in Hydroponic Culture - A research report issued by the Perlite Institute, Inc. by Dr. David A. Hall, Principal of the Pershore College of Horiculture in the United Kingdom
http://www.schundler.com/hydroculture.htm

SoCal Aquaponics - Aquaponics is a system that integrates aquaculture with hydroponics, the soil-free cultivation of plants. SoCal provides information on hydroponics, aquaponics, aquaculture and the solar greenhouse.
http://www.socalfishfarm.com

Vitaran HC - Software for calculating nutrition formulations in hydroponic applications. Both site and software in Spanish and English.
http://ar.geocities.com/vitaranhc/

Crop Physiology Laboratory - Hydroponics - Excellent source of information for recirculating hydroponics methodology from Utah State University.
http://www.usu.edu/cpl/research_hydroponics.htm

Antarctica Hydroponics - Information on how many varieties of fresh fruit and vegetables are being grown under glass on this continent.
http://www.antarctichydroponics.com/

Hydroponics Systems - An informational site which tells you about various different types of hydroponics systems.
http://www.hydroponics-system.net

The Growing Edge - A bimonthly magazine dedicated to hydroponics, aquaponics, and greenhouse growing. Provides a wealth of free information for soilless growers.
http://www.growingedge.com

Production of CEA-grown Hydroponic Spinach - Publication by the Controlled Environment Agricultural (CEA) Program of the College of Agriculture and Life Sciences at Cornell University. An electronic handbook for the production of CEA hydroponic spinach.
http://www.cornellcea.com/Spinach_Handbook/sp_introduction.htm

Hydroponic Lettuce Production - Details of setting up and running a lettuce production facility using Controlled Environment Agriculture techniques. Illustrated with descriptive photos. Cornell University.
http://www.cornellcea.com/Lettuce_Handbook/introduction.htm

Growing Hydroponic Tomatoes - Interactive web site from the University of Arizona provides practical, accurate information on growing hydroponic tomatoes for students, hobbyists, and beginning growers.
http://www.ag.arizona.edu/hydroponictomatoes/

Hydroponics for India - Optimus Interweave Australia offers hydroponics consultancy services to Indian horticulture, providing technology which will enable entrepreneurs to cultivate fresh produce in hydroponic tunnels.
http://www.optimusinterweave.com

Hydroponics Project - Photographic presentation of hydroponics project at Colorado State University.
http://www.angelfire.com/pa3/padraig/

History of Hydroponics - Gary V. Deutschmann covers the history and future of hydroponic gardening.
http://www.emcarthur.com/shrpduck/resource/0003_HistoryOfHydroponics.htm

Hydroponics Resource for Inexpensive Startups - Secrets for starting hydroponic businesses. Includes information about hydroponic nutrients, maintenance, production, greenhouses, and marketing.
http://www.mayhillpress.com

Institute for Simplified Hydroponics - Dedicated to supporting efforts to use simplified hydroponics to reduce global hunger and poverty. Offers classes and activities to support the education of simplified hydroponics, especially in developing nations.
http://www.carbon.org