How To Hydroponic Hydroponic Systems Use A Nutrient Solution
How to hydroponic , systems can be water culture or media based culture either one
of these can then be active or passive, regardless of which hydroponic systems you chose you wont need any soil. Some plants you grow will still need a medium to act as an anchor; some of the mediums available are sand, gravel, clay balls and perlite. These mediums do not supply any nutrition to the plant, the plants are feed with a water nutrient solution, in an active system this is delivered by a pump i.e. Ebb and flow also known as flood and drain, and the drip system.
Examples of passive systems are the raft system and possible the easiest is the wick system, the plant nutrient solution is in a static container and the plants can either be suspended with just their tips in the solution or a material is used to make a wick with a very high capillary action which draws the hydoponic nutrient solution up to the tray with the media and the plants in it. The minerals and nutrients that the plants need come from hydroponic plant foods that are now available from garden shops and the internet.
These nutrients come as a concentrate and are mixed with water to the manufactures recommend quantities to form the nutrient solution that is used to feed the plants. Hydroponics is certainly revolutionizing how we grow plants, in Europe many of the flowers supplied to the retail trade are grown this way, there is also an increase in the number of commercial growers learning how to hydroponic to grow a selection of crops like tomatoes and lettuce, the systems they are using can be highly technical, with the strength of the nutrient solution the water cycle and the amount of light the plants receive all being controlled by sensors and computers.
For the home grower learning how to hydroponic can be incredibly simple, the basic home system comprising of a reservoir, a growing tray, an air pump with stone, a simple timer to control a submersible pump to supply the nutrient solution to the plants. Unless you can set your system up in a sunny position to make the most of natural sunlight you will need to add a grow light to your list, this will supply your plant with artificial sunlight it needs to grow. Once you know how to hydroponic you'll be surprised by what you can grow and the space required.
by: Mark E J Adams
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