Hydroponic Gardening Growing Medium and Nutrient Tips

Hydroponic gardening is a method of growing plants without using soil. It is also known as soilless gardening. The term hydroponics is derived from the Greek words hydro for water and ponics for labor. Though the concept of soilless gardening was in existence since the earlier times, scientists started experimenting only in the 1950s. In hydroponic gardening, mineral nutrient solutions are used instead of soil, for the purpose of growing both aquatic and terrestrial plants.

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The land or terrestrial plants can be grown effectively either in mineral solutions only or in an inert medium such as gravel or mineral wool. Many hobbyists prefer indoor hydroponic vegetable gardening in which almost all types of vegetables are grown in artificial light conditions. Vegetables grown in hydroponics are 20 – 30 percent larger than those grown in a traditional manner.

Hydroponic Gardening: Growing Medium and Nutrient

In hydroponic gardening, the growing medium serves the functions of soil like supporting the root system, maintaining pH and channelizing nutrients and water to the roots. In recent times, several types of hydroponic systems have been developed, based on the growing medium. Some of the popular growing mediums used in hydroponic gardening are perlite, gravel, sand, Hydroton (expanded clay medium), expanded shale and Rockwool (prepared from volcanic rocks).

Hydroponic nutrient solution or hydroponic fertilizer contains all the necessary plant nutrients (micro and macronutrients). Nutrient solutions are available in ready-made, concentrated forms. Usually, there are two types of nutrient solutions, one for growing and another for use after flowering. One should follow the manufacturer’s guidelines while using hydroponic nutrient solutions.

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