| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve such problems that: when using honeybees for pollination in order to cultivate farm products in a greenhouse, nest box(es) for honeybees has (have) been conventionally used in such a greenhouse; however, because food for honeybees is insufficient in the greenhouse, feeding must be done, but, with only that, nutrients for the bees are deviated, the bees are thus forced to be exhausted; besides, the feeding operation is costly and requires much labor; further, bees unnecessary for the purpose have been intruded in the greenhouse, and cannot escape therefrom, and many of them have died. Ž<P>SOLUTION: The solution is such that: box(es) for honeybees is (are) installed outside of a greenhouse to ensure the honeybees to go to both of the greenhouse and the natural world; and only honeybees to aim taking honey and pollens in the greenhouse can enter it, the other bees, i.e. bees unnecessary for the greenhouse cannot enter it; that is, a channel joining the nest box(es) and the greenhouse each other is provided, being so designed that only bees necessary for the greenhouse can walk therethrough to it. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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