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Plants
draw their nourishment from water and the mineral salts contained in
it. Water is the basis of life. This was already the case many
hundreds of millions of years ago, when the first algae, the
forerunners of modern plants, developed in the primeval oceans.
Plants
can only take up nutrients which are water soluble. It is this fact
that formed the basis for an entirely new method of plant
cultivation. One that has been carefully developed and refined over
the course of several decades: hydroponics.
The
word is derived from the Latin hydro (water) and ponos
(work). This term embraces all forms of cultivating living plants
without soil in a nutrient solution where the roots are fixed in a
structurally stable, inorganic and rot-proof substrate.
The
term hydroculture is restricted to hydroponics as applied to
ornamental plants.
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