Phenolic foam is good medium for growing plants hydroponically. Bricks of foam hold water and nutrients while providing mechanical support for roots.
Phenolic Foam For Hydroponics
NASA Tech Briefs ; 16 , 6
1992-06-01
Miscellaneous
No indication
English
Hydroponics or Soilless Culture
NTRS | 1963
|HYDROPONICS OR SOILLESS CULTURE
NTRS | 1963
|