SOIL-FREE APPARATUS AND PLANT GROWING METHOD Russian patent published in 2004 - IPC

FIELD: agriculture. SUBSTANCE: soil-free apparatus has plant growing trays, each made in the form of conical vessel charged with filler. Pipe with small openings for exit of air, gaseous mixture and nutritive medium is placed inside vessel. Water-gas-air mixture is supplied into filler layer in pulsed mode for creating fluidized bed in filler layer. Screen for uniform distribution of nutritive medium and forming device with cells for accommodation of root and/or ground part of plants are arranged above pipe. Hood above vessel is arranged above plant growth zone to provide for regulated ventilation and gaseous feeding of plants. EFFECT: simplified access of nutritive solutions and gaseous mixtures to root system, increased underground and/or ground part of plants and improved consumer properties of products. 3 cl, 2 dwg