| 摘要 |
PROBLEM TO BE SOLVED: To provide a green house that can keep its inside at a constant temperature with an simple installation at low cost, can enjoy the private vegetable garden all through the year, since the crop plants can be grown in the winter and the direct solar radiation necessary for growth of plants can be secured without blocking and oxygen is fed into the soil to activate the photosynthesis and the system can be simplified by incorporating the water spraying unit in the main body. SOLUTION: The heat collection panel 12 is set on the roof and the inlet 16 for circulation pipe is opened to the exhaust outlet 11 of the panel 12, the middle part of the circulation pipe is turned down as a descending air-blowing pipe 17, further its top edge part is arranged in an underground pipe 18. The pipe 18 is turned up from the soil and the air-blowing outlet 25 is opened toward the lower part of the green house at the top edge of the ascending air-blowing pipe 19 and an air-blowing fan 20 is set on the way of the descending air- blowing pipe 17. In this system, a network pipe for drainage is used as the pipe in the soil 18 and the water-feeding pipe 41 having holes 41a bored on its wall is arranged inside the network pipe.
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