| 摘要 |
PROBLEM TO BE SOLVED: To provide a plant cultivation system in winter of cold districts and in a building to make large scale cultivation possible. SOLUTION: The large scale cultivation of plants in winter of cold districts and in the building is made possible by the invention of a light-emitting diode, the discovery of an affusion method (oxygen farming method) enabling simultaneous supply of air and liquid manure, the invention of a sheet heating element and collective control of these three items. COPYRIGHT: (C)2006,JPO&NCIPI
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