SPRING HOTHOUSE Russian patent published in 1994 - IPC

FIELD: agriculture. SUBSTANCE: spring hothouse is provided with a heat-insulating bottom plate which makes it possible to grow plants in spring and in summer. The bottom plate is of regular shape, and it has straight walls sloping relative to the vertical line. The external wall is inclined at an angle of 0-20 deg, and the angle of inclination of the internal wall is from 5 to 30 deg. The hothouse is provided with a support ring resting on the bottom plate. The hothouse is also provided with electric heaters attached to the bottom plate wall. EFFECT: improved growing conditions. 3 cl, 12 dwg