There are 3 forms of hydroponics they are AgroponicsA solid, inert medium such as coconut coir provides support for the plants. As in liquid systems, the nutrient solution is delivered directly to the plant roots., AeroponicsThe process of growing plants in an air or mist environment without the use of soil or an aggregate medium and AquaponicsThe symbiotic cultivation of plants and aquatic animals in a recirculating environment.

The definition of hydroponics is literally working water…or as used today the science of growing plants without soil.

AgroponicsA solid, inert medium such as coconut coir provides support for the plants. As in liquid systems, the nutrient solution is delivered directly to the plant roots.
A solid, inert medium such as coconut coirCoir fibres are found between the hard, internal shell and the outer coat of a coconut., vermiculite or perlite that provides support for the plant roots. As in liquid systems, the nutrientIs a chemical that an organism needs to live and grow or a substance used in an organism's metabolism which must be taken in from its environment. Nutrients are the substances that enrich the body. They build and repair tissues, give heat and energy, and regulate body processes. Methods for nutrient intake vary, but most plants ingest nutrients directly from the soil through their roots or from the atmosphere. solution is delivered directly to the plant roots.

AeroponicsThe process of growing plants in an air or mist environment without the use of soil or an aggregate medium
The process of growing plants in an air or mist environment without the use of soil or an aggregate medium

AquaponicsThe symbiotic cultivation of plants and aquatic animals in a recirculating environment
The symbiotic cultivation of plants and aquatic animals in a recirculating environment.