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Which shading is the winner in Florida Trials?

Diffused light results in more active leaves and better usage of light. When it comes to shading, which type performs best in greenhouses? Two recent studies conducted in Florida set out to find the answer by comparing the properties of three 60 per cent shades commonly used for nursery and greenhouse production.

Standard black and metallic external shades often spread light inconsistently, causing some plants to receive more light than others, requiring crops to be moved regularly. In contrast, light-diffusing white shades allow light to penetrate deeper and more consistently, promoting even plant growth and less handling of the crop. This enhanced diffused light generates potential crop density increases – maximizing your profitability.

The aim of the two Florida studies – conducted by the University of Florida and at Brite Leaf Citrus Nursery – was to investigate if it is possible to lower air and leaf temperature and improve crop quality using a white light-diffusing open exterior shade compared to metallic and black shades.

In a trial performed at the University of Florida’s Gulf Coast Research and Education Centre, 12 metal-frame enclosures were clad with standard 6 mil clear polyethylene (poly) film.

Read more at Svensson's website
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