Hydroponic system controls nutrient solution for growing crops in space. Pump draws nutrient solution along inside of tubular membrane in pipe from reservoir, maintaining negative pressure in pipe. Roots of plants in slot extract nutrient through membrane within pipe. Crop plants such as wheat, rice, lettuce, tomatoes, soybeans, and beans grown successfully with system.
Tubular Membrane Plant-Growth Unit
NASA Tech Briefs ; 16 , 2
1992-02-01
Miscellaneous
No indication
English
Self-Cleaning Tubular-Membrane Module
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