hydp:hydroponics

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hydp:hydroponics [2026/04/24 11:59] – [History] Simon Granthydp:hydroponics [2026/05/15 14:23] (current) – [Further resources] Dave Darby
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 ==== History ==== ==== History ====
  
-The legendary, ancient [Hanging Gardens of Babylon](https://www.researchgate.net/figure/The-Hanging-Gardens-of-Babylon-was-considered-one-of-the-seven-wonders-of-the-ancient_fig3_268747328) were said to have incorporated what we would call hydroponics. Much more recently, small-scale experiments aimed at growing plants in water rather than soil have been carried out since the 17th century, a breakthrough coming in Germany in the 19th century when Sachs and Knop discovered that plants need mainly nitrogen, phosphorus and potassium (NPK) to thrive, and developed a nutrient formula based on these elements. Hoagland added micronutrients such as iron, magnesium and sulphur in the 1920s.+The legendary, ancient [[wp>Hanging Gardens of Babylon]] were said to have incorporated what we would call hydroponics. Much more recently, small-scale experiments aimed at growing plants in water rather than soil have been carried out since the 17th century, a breakthrough coming in Germany in the 19th century when Sachs and Knop discovered that plants need mainly nitrogen, phosphorus and potassium (NPK) to thrive, and developed a nutrient formula based on these elements. Hoagland added micronutrients such as iron, magnesium and sulphur in the 1920s.
  
 In the 1970s it was discovered that the cannabis plant grew in a hydroponic system, and that indoors was a good place to grow plants that you didn't want anyone to know about. It resulted in a boom in the hydroponics industry. More recently, NASA has contributed to development in hydroponics for growing food plants in space. In the 1970s it was discovered that the cannabis plant grew in a hydroponic system, and that indoors was a good place to grow plants that you didn't want anyone to know about. It resulted in a boom in the hydroponics industry. More recently, NASA has contributed to development in hydroponics for growing food plants in space.
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 <caption> <caption>
-_[Hanging Gardens of Babylon](https://www.researchgate.net/figure/The-Hanging-Gardens-of-Babylon-was-considered-one-of-the-seven-wonders-of-the-ancient_fig3_268747328): ancient hydroponics?_+_Hanging Gardens of Babylon: ancient hydroponics?_
  
 </caption> </caption>
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 - [Complete Guide for Growing Plants Hydroponically (pdf)](http://lowimpactorg.onyx-sites.io/wp-content/uploads/Growing-plants-hydroponicaly.pdf) - [Complete Guide for Growing Plants Hydroponically (pdf)](http://lowimpactorg.onyx-sites.io/wp-content/uploads/Growing-plants-hydroponicaly.pdf)
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-- [Totally Organic Hydroponics (pdf)](http://lowimpactorg.onyx-sites.io/wp-content/uploads/Totally_Organic_Hydroponics.pdf) 
  
 - [University of Florida](http://edis.ifas.ufl.edu/hs184): how to build a floating hydroponic garden - [University of Florida](http://edis.ifas.ufl.edu/hs184): how to build a floating hydroponic garden
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  • Last modified: 2026/04/24 11:59
  • by Simon Grant