AEROPONICS. A recycling system.
This is a technique that was developed initially for use in space where plants are grown with no media, suspended in air and the root systems sprayed with a nutrient solution.
Photo: home.aone.net.au
Other than the manual system, all those listed need pumps to operate. Timers and computerised systems are common. The need for constant maintenance and monitoring of nutrient is a regular routine.
There is one other system that gives automation without the need for power, pumps, computers or timers, that is water efficient, ecologically unobtrusive, effective and suited to a wide range of uses.
A recycling system
7:38 AM
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