Ultraviolet rays cannot come through glass of a greenhouse. How can the plants in the greenhouse get the full benefits of the sun?
I think that it's just the light that does it.Ultraviolet rays cannot come through glass of a greenhouse. How can the plants in the greenhouse get the full benefits of the sun?
Ultraviolet rays cannot come through glass of a greenhouse. How can the plants in the greenhouse get the full benefits of the sun?
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