Hydroponics: Difference between revisions
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*[http://www.amazon.com/How-Hydroponics-Fourth-Keith-Roberto/dp/0967202612/ref=sr_1_1?ie=UTF8&s=books&qid=1307558672&sr=8-1''How-To Hydroponics, 4th edition''], a compact, practical book including plans for several systems | *[http://www.amazon.com/How-Hydroponics-Fourth-Keith-Roberto/dp/0967202612/ref=sr_1_1?ie=UTF8&s=books&qid=1307558672&sr=8-1''How-To Hydroponics, 4th edition''], a compact, practical book including plans for several systems | ||
*http://www.hydroponicsonline.com/ An informative site. Also has forums. | *http://www.hydroponicsonline.com/ An informative site. Also has forums. | ||
*[http://captainhydroponics.com/ Captain Hydroponics] Urban hydroponic designs and tips. | |||
===Open-source systems=== | ===Open-source systems=== | ||
Revision as of 16:10, 4 February 2014
Main > Food and Agriculture > Controlled-environment growing
Hydroponics is the practice of growing plants in nutrient-enriched water rather than soil.
Hydroponics is incredibly productive and requires little space. For example, Factor e Farm's experiments found that they could grow $1 of lettuce per square foot per week. And the Institute of Simplified Hydroponics has found that they can grow 2kg of vegetables a day on 20m2 of space [1]. Indoor growing in a greenhouse greatly reduces losses to pests.
See here for free instructions on building several different hydroponic systems. N55 have a design for a vertical hydroponic system here. See Wikipedia on hydroponics for more information.
Open source software for automating hydroponic systems.
Aquaponics is a kind of hydroponics that uses the water from fish tanks. This eliminates the need for an input of nutrients.
Open-source hydroponic nutrient
You can mix hydroponic nutrient cheaply using mineral salts that most chemical suppliers have. The necessary ingredients are:
- Monopotassium phosphate (KH2PO4)
- Potassium nitrate (KNO3)
- Calcium nitrate (CaNO3)
- Magnesium sulfate (MgSO4)
- Boric Acid (H3BO3)
- Manganese chloride (MnCl2)
- Zinc sulfate (ZnSO4)
- Copper sulfate (CuSO4)
- Iron sulfate (FeSO4)
- Ammonium molybdate
Links
- Hydroponics - Everything You Need To Know To Get Started, big messy 463-page book, covering everything: lighting, nutrients, suppliers, different plants and their requirements,
- How-To Hydroponics, 4th edition, a compact, practical book including plans for several systems
- http://www.hydroponicsonline.com/ An informative site. Also has forums.
- Captain Hydroponics Urban hydroponic designs and tips.
Open-source systems
- HAPI - An Open Source Project focused on building an automation platform, grow unit designs and educational materials
- general-purpose single-plant bucket drip system, CFL grow light cluster, simple deep-water culture systemfrom Jared Bouck's Inventgeek
- How-To Hydroponics kit plans
- Hydroponics free DIY plans
- Home hydroponic system, open-source plans for a vertically-stacked hydroponic system designed by n55