Passive sub-irrigation, also known as passive hydroponics or semi-hydr... - dofaq.co
hydroponics

Passive sub-irrigation, also known as passive hydroponics or semi-hydr...

wikipedia - 05 Jul 2015
Passive sub-irrigation, also known as passive hydroponics or semi-hydroponics, is a method wherein plants are grown in an inert porous medium that transports water and fertilizer to the roots by capillary action from a separate reservoir as necessary, reducing labor and providing a constant supply of water to the roots. In the simplest method, the pot sits in a shallow solution of fertilizer and water or on a capillary mat saturated with nutrient solution. The various hydroponic media available, such as exp

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