What is the 2003 estimate for for greenhouses manufactured in North America?
Pls. list source of information

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Request for Question Clarification by bobbie7-ga on 14 Sep 2004 15:05 PDT

This is a duplicate question.

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Clarification of Question by marianison-ga on 15 Sep 2004 07:20 PDT

I am doing a market assessment in the area of photovoltaics (PV). One
of the applications of this technology is for greenhouses, I am trying
to find out how many greenhouses were manufactured in the US (in 2003)
in order to determine the future market potential for PV. I needed the
reference for the information provided.

Thank you.