University of Arizona
Hydroponic Tomatoes: Hydroponic Information
An extensive site that is ostensibly a hydroponics experiment for educating the reader about hydroponics, but it is packed with history and information. Click on the tomato to get started.
Wikimedia
Wikipedia: Hydroponics
Have you ever wanted to grow plants without soil? This site will give you seven techniques to do just this. Additionally, learn about the history of hydroponics, problems associated with hydroponics, and possible future uses.
TED Talks
Ted: Ted Ed: How Does It Grow? Hydroponic Spinach
How do leafy greens like spinach grow even in the dead of winter? One way is hydroponics- an ancient technique that could be the future of farming. [4:51]
Curated OER
Hydroponic Tomatoes: Hydroponic Information
An extensive site that is ostensibly a hydroponics experiment for educating the reader about hydroponics, but it is packed with history and information. Click on the tomato to get started.
Curated OER
Hydroponic Tomatoes: Hydroponic Information
An extensive site that is ostensibly a hydroponics experiment for educating the reader about hydroponics, but it is packed with history and information. Click on the tomato to get started.
Other
Seafriends: Soil Dependence
This website looks at our dependence on soil and what it produces. It includes text, graphs, charts, illustrations and important statistics. Hosted by the Seafriends Marine Conservation and Education Center.