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:
polytunnel's colours & its importance?
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22-11-2004, 07:23 PM
David Hill
Posts: n/a
Martin wrote..."I don't see where you get 10% from. It could be transmitting
90% of the spectrum and excluding UV and IR....."
Sorry to spoil things, but polythene lets through 90% of the light
transmitted, it does not transmit light
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