| 摘要 |
PURPOSE: A hydroponic culture device is provided to cultivate vegetables like lettuce for four seasons in an apartment veranda by improving the economic property and convenience. CONSTITUTION: A household hydroponic culture device has a reflector on an upper part of a planting board. The planting board is made of an expanded synthetic resin with a size smaller than the upper mouth of a water tank to make the planting board float on water. An LED bar(7), an LED bar reaching pole(6), the planting board(2), and the water tank composes the group. |
