For saving space and soil, this method also has several
other benefits, including no soil-borne diseases, no
weeds to pull and no soil to till, run-of-the-mill side
benefits of soil-less gardening.

Deep Water Culture

A recycling system. The most common form of this is to have the plants suspended on some form of floating material such as foam sheeting which allows the root system to dangle into and grow in a nutrient solution.

Hydroponic Supply
Professional Deep Water Culture

This is quite a good system, particularly for short term crops such as lettuce but because the plant supporting medium (foam sheet) usually covers the surface area, it has been found necessary to provide aeration to the nutrient solution, usually by pumping air through the solution or other circulating devices. Its not a system that is suited to growing long term or large plants and is not suited to many crops (potato and carrot spring to mind). Generally speaking it is hard to see how this sort of system would work in the house, office or display area.


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