Also found in: Dictionary, Thesaurus, Medical.
Related to soilless gardening: hydroponics
soilless gardening:see hydroponicshydroponics,
growing of plants without soil in water to which nutrients have been added. Hydroponics has been used for over a century as a research technique, but not until 1929 were experiments conducted solely to determine its feasibility for growing commercial crops.
..... Click the link for more information. .