what is hydroponic
Hydroponics is a subset of hydroculture and is a method of growing plants using mineral nutrient solutions, in water, without soil.Terrestrial plants may be grown with their roots in the mineral nutrient solution only, or in an inert medium, such as perlite or gravel.ericke originally defined hydroponics as crop growth in mineral nutrient solutions. Hydroponics is a subset of soilless culture. Many types of soilless culture do not use the mineral nutrient solutions required for hydroponics.