| 摘要 |
<P>PROBLEM TO BE SOLVED: To increase the added value of the grown plants by shifting the optimal harvesting time with clever utilization of cold weather in order to solve the problems that the cost of the air-conditioning and heating in plant breeding enormously increases and recently the ecological problems also become serious. <P>SOLUTION: The plant materials comprising at least forest products including wood chips from the forest-thinning or scrap wood and cereal processing by-products are filled in net-like bags individually to form the structures 11 and they are arranged on the peripheries of the insulating material 12 of marginal regions. <P>COPYRIGHT: (C)2007,JPO&INPIT |
