Home Made Hydroponics System

So confused about hydroponics, HELP?

In Intrernet and dictionaries is said to hydrponics is growing plants without using soil. Then, How come when you make a hydroponic system or a simple display of hydroponics have to put the plant into the ground first, then put it in water? I'm so confused.

Hydroponics uses only pure water and the solution to feeding and watering plants. In an application of the roots hang down and sprayed with nutrient-rich water at intervals. In another of the plants are placed in a valley and the water washes over them and is released at regular intervals. When land use, soil without land actually a mixture of things like perlite, etc., is used to keep the plants upright. In all the applications you will notice that not mean periods where no solute is present. This gives you free access to the roots 02. By allowing us to use the land without land we can have greater access to tomatoes, for example. Some roots are a bit fussy about exposure to sunlight. Land is used only for our convenience and to comply with our concept of what we believe a garden should be.

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600 Watt Switchable Ballast metal halide and high pressure sodium (MH HPS) Plant Grow Light Lamp System, GYO2004 $245.00 This 600W hydroponics lighting system represents the best value grow light. Its advanced electronic ballast supports both High Pressure Sodium (HPS) and Metal Halide (MH) bulbs, giving the grower the flexibility to choose the best selection simply by changing the bulb, instead of having to own two separate light systems. MH is used for accelerated vegetative growth, then switch to HPS to encourage...

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