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The Growing Edge - http://www.growingedge.com/
A bimonthly magazine dedicated to hydroponics, aquaponics, and greenhouse growing. Provides a wealth of free information for soilless growers.
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Growing Hydroponic Tomatoes - http://www.ag.arizona.edu/hydroponictomatoes/
Interactive web site from the University of Arizona provides practical, accurate information on growing hydroponic tomatoes for students, hobbyists, and beginning growers.
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Institute for Simplified Hydroponics - http://www.carbon.org
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.
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Crop Physiology Laboratory - Hydroponics - http://www.usu.edu/cpl/research_hydroponics.htm
Excellent source of information for recirculating hydroponics methodology from Utah State University.
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Home Hydroponics - http://www.ext.vt.edu/pubs/envirohort/426-084/426-084.html
An excellent introduction to the hydroponic methodology from the Virginia Cooperative Extension.
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Role of Perlite in Hydroponic Culture - http://www.schundler.com/hydroculture.htm
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
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Hydroponics Online School - http://www.hydroponicsonline.com/lessons/table-of-contents.htm
Provides a course on hydroponic cultivation.
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Hydroponics Resource for Inexpensive Startups - http://www.mayhillpress.com
Secrets for starting hydroponic businesses. Includes information about hydroponic nutrients, maintenance, production, greenhouses, and marketing.
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SoCal Aquaponics - http://www.socalfishfarm.com
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.
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Duncan's AutoPot Blog - http://hydroponics.hj60.com/autopot/
A photographic journal of Duncan's experiences growing hydroponic fruit and vegetables using the autopot gravity fed smart valve.
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Hydroponics Project - http://www.angelfire.com/pa3/padraig/
Photographic presentation of hydroponics project at Colorado State University.
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Hydroponic-Gardens - http://hydroponic-gardens.com
Provides information and instructions on building and using a hydroponic system. Monthly newsletter avalable.
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Vitaran HC - http://www.carlos-arano.com.ar/vitaran_hc-ing.html
Software for calculating nutrition formulations in hydroponic applications. Both site and software in Spanish and English.
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Small Hydro Garden - http://www.jhydro.com
Blog describing adventures in hydroponic techniques, experimentation and product exploration.
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History of Hydroponics - http://www.basementlighting.com/history_of_hydroponics.htm
Article following the history of growing plants without soil from the hanging gardens of Babylon in 600 BC to the present day.
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Hydroponic Economics - http://hydroponiceconomics.com/blog/
A blog focused on hydroponics and building efficient home hydroponic systems.
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Production of CEA-grown Hydroponic Spinach - http://www.cornellcea.com/Spinach_Handbook/sp_introduction.htm
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.
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Hydroponic Lettuce Production - http://www.cornellcea.com/Lettuce_Handbook/introduction.htm
Details of setting up and running a lettuce production facility using Controlled Environment Agriculture techniques. Illustrated with descriptive photos. Cornell University.
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