The term hydroponics was originally coined in the mid 20th Century. It is a term used to express a technique for growing plants in a soil less medium. The concept of growing plants without soil goes way back in time to our prehistoric past. For example, the mythical Hanging Gardens of Babylon, the much worshipped flooding of the Egyptian Nile and the Floating Gardens of Mexico City are all examples of hydroponics. History, as it always seems to do, has turned full circle and the rebirth of hydroponics is back with us. Approximately 90% of all cut fresh flowers purchased in the UK are hydroponically grown, and an estimated 65% of all fruit and vegetables purchased from your supermarket, again are grown in hydroponics systems under HPS grow lights.
Plants are grown in an inert, sterile growing medium and fed a mixture of water and nutrient. The principle is basic; plants that are grown in soil have to continuously develop their rootballs in search of water, nutrients and air so the majority of the plants available energy is spent on the lower root development restricting its upper growth. In hydroponics, the water, nutrient and air is mainlined directly to the rootball, freeing the plant to use its available energy in its upper leaf, fruit, or flower development. That coupled with the fact that it has all the specific nutrient, air and water it could ever want, means plants grow at a previously unheard of rate. If you like "it's super charged battery farming for plants on steroids" but the plants are in heaven, not hell. Because plants grown in a hydroponics system can be given very exact and specific doses of nutrient, a crop raised hydroponically will develop optimum levels of appearance, yield and flavour. Because the roots of plants grown in a soil less medium do not need to constantly grow in search of nutrient, more plants can be grown in a smaller area. You will thus be making the best use of whatever space is available to you
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