Quote:
Originally Posted by sjamesNorway
I only grow in the greenhouse from spring until fall using some heat, but no artificial lighting. Our days summer days are very long beginning fairly early, and I have a problem with overheating, so I think a slight reduction in light could be beneficial. I did, however, read somewhere that UV affects taste positively. (I haven't been able to find out how much the UV is reduced by the polycarbonate.)
Steve
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100% attenuation of UV with very thin sections.
graph near bottom of page
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