Retractable greenhouses are an affordable way to protect rain tolerant crops from excessive heat, cold, and wind. Flat roof houses have been used to protect crops from hail and snow, but they have a limited capacity to withstand the weight of the hail or snow. There is a wide variety of water porous roof coverings and structural designs that allow for the optimal balance between crop requirements, environmental conditions, and the level of investment.
Flat roofs protect plants from excessive cold, wind and heat, but the flat roof cannot keep rain off plants. Best suited for tropical/semi-tropical regions with arid dry conditions.
Monday, January 4, 2010
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