METHOD FOR RAISING LEAF-AND-STEM VEGETABLES AND LIGHT SOURCE DEVICE FOR RAISING LEAF-AND-STEM VEGETABLES
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Abstract
A method for raising leaf-and-stem vegetables and a light source device used in the method, which can make production cost of leaf-and-stem vegetables reduced and commercial value thereof enhanced by irradiating parts of leaf-and-stem vegetable with a light optimum therefor. The method for raising leaf-and-stem vegetables by irradiating the vegetables with light, includes a stem growth-inhibiting light source irradiating tops of the stems with light having a blue component light at high ratio, which inhibits the growth of stems, at least during an initial growth period when the stems and leaves become distinguishable from each other.
6 Citations
14 Claims
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1-5. -5. (canceled)
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6. A method for raising leaf-and-stem vegetables by irradiating the leaf-and-stem vegetable with light, the method comprising:
providing a stem growth-inhibiting period when a stem growth-inhibiting light source irradiates tops of the stems with light having a blue component light at high ratio, which inhibits the growth of stems, at least during an initial growth period when the stems and leaves become distinguishable from each other. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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14. A light source device for raising leaf-and-stem vegetables, configured to irradiate the leaf-and-stem vegetables with light to raise the leaf-and-stem vegetables, comprising:
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a stem growth-inhibiting light source device for irradiating an area facing the stems of the leaf-and-stem vegetables with a stem growth-inhibiting light having a blue component light at high ratio, which inhibits growth of the stems; and a leaf growth-accelerating light source device for irradiating an area facing the leaves of the leaf-and-stem vegetables with a leaf growth-accelerating light having a red component light at high ratio, which accelerates growth of the leaves.
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Specification