| 摘要 |
PROBLEM TO BE SOLVED: To provide an LED lamp for plant cultivation as a plant cultivation light sauce excellent in growth promoting effect, having good energy efficiency and capable of being easily set up.SOLUTION: An LED lamp (A) for plant cultivation has the shape of a straight pipe fluorescent lamp, and includes: a body part 1 where a red LED element 3 and a blue LED element 4 are arranged; a feeding terminal 2 set up to the end part of the body part 1; and a switching circuit switching over electric current supplied from the feeding terminal 2 to a drive circuit for the red LED element 3 or a drive circuit for the blue LED element 4. According to the plant cultivation LED lamp (A), plant growth promoting effect can be obtained by alternative irradiation of the red light and the blue light in relatively simple work utilizing existing fluorescent light instruments and the like as they are. |
