| 摘要 |
PROBLEM TO BE SOLVED: To provide a plant cultivation tank having the heat insulating effect of preventing soil temperature from becoming too high and too cold, and inexpensive, lightweight and easy to handle, using a corrugated board.SOLUTION: A plant cultivation tank comprises a box body 1 which is made by assembling a corrugated board, opening an upper surface and setting a hole part 2m at the bottom. An inverse trapezoidal recessed part to put soil thereinto is formed on the inside of the box body 1 by upward extending to the upper sides of four side plates 2a-2d of the box body 1, inclined plates 2i-2l higher than the side plates 2a-2d respectively, and inclining and folding each of the inclined plates 2i-2l to the inside of the box body 1 to make the ends reach the bottom of the box body 1, and water proof measures are applied to the whole circumference of the box body. |
