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Effects of single-glass (glass), double inflated polyethylene film (D-poly), and rigid twin acrylic (acrylic) panels, as greenhouse covers, on seedless cucumber growth, productivity and energy use were investigated over three spring seasons (1988, 1990 and 1992). The early and final marketable yields of plants grown in D-poly houses were similar to or higher than those grown in glass houses. Also,...
Effects of single-layered glass (glass), double inflated polyethylene film (D-poly), and rigid-twin wall acrylic panels (acrylic), as greenhouse covers on tomato (Lycopersicon esculentum Mill) growth, productivity and energy use were investigated over two spring seasons in 1993 and 1994. There was no significant difference in early marketable yield (harvested until April 30) between the D-poly and...
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