A soilless system for high density plant growth, said system including: a greenhouse type structure; a plurality of elongate support members arranged substantially vertically in the greenhouse type structure, the support members having: - a body having a flow channel defined therein; and - a plurality of vertically spaced apart receptacles angularly disposed to the vertical axis of the body for receiving a plant therein, the receptacles being in flow communication with the flow channel ; - a fluid supply system in fluid communication with the flow channel for supplying a fluid stream to the said flow channel ; and - a fluid collection system for collecting residual fluid which has flowed through the flow channel , characterised in that the elongate support members are of wave shaped form and the wave shaped elongated support members are configured to provide a directional flow of the nutrient fluid assisted by fins inside the flow channel as well as the shape thereof. a greenhouse type structure; a plurality of elongate support members arranged substantially vertically in the greenhouse type structure, the support members having: - a body having a flow channel defined therein; and - a plurality of vertically spaced apart receptacles angularly disposed to the vertical axis of the body for receiving a plant therein, the receptacles being in flow communication with the flow channel ; - a fluid supply system in fluid communication with the flow channel for supplying a fluid stream to the said flow channel ; and - a fluid collection system for collecting residual fluid which has flowed through the flow channel , characterised in that the elongate support members are of wave shaped form and the wave shaped elongated support members are configured to provide a directional flow of the nutrient fluid assisted by fins inside the flow channel as well as the shape thereof. - a body having a flow channel defined therein; and - a plurality of vertically spaced apart receptacles angularly disposed to the vertical axis of the body for receiving a plant therein, the receptacles being in flow communication with the flow channel ; - a fluid supply system in fluid communication with the flow channel for supplying a fluid stream to the said flow channel ; and - a fluid collection system for collecting residual fluid which has flowed through the flow channel , characterised in that the elongate support members are of wave shaped form and the wave shaped elongated support members are configured to provide a directional flow of the nutrient fluid assisted by fins inside the flow channel as well as the shape thereof. - a plurality of vertically spaced apart receptacles angularly disposed to the vertical axis of the body for receiving a plant therein, the receptacles being in flow communication with the flow channel ; - a fluid supply system in fluid communication with the flow channel for supplying a fluid stream to the said flow channel ; and - a fluid collection system for collecting residual fluid which has flowed through the flow channel , characterised in that the elongate support members are of wave shaped form and the wave shaped elongated support members are configured to provide a directional flow of the nutrient fluid assisted by fins inside the flow channel as well as the shape thereof. <EOS>