sanling
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Re:office gardens - 2011/05/26 17:19
Sunlight have IR, and UV ,and other spetrums , but IR and UV are not used by plant in photosynthesis , All plants prefer red first ,then blue and white , The wavelength of 630-660nm is the spectrum of red , especally in the flowering period , plants need a lot of red , do you know how to make the flowers more excellent ?
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