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From aluminum strips to white strips

 

Diffuse screen has been the trend in the last four to five years for screens that filter up to 70% light.  The aluminum strips in the screening cloths make way for white strips that make the light diffuse, whether it is the screening of sunlight or the keeping of energy inside.

Screening is one of the ways to diffuse incident light in the greenhouse, in addition to diffuse glass or a diffuse coating on the cover.

Ruud Vlottes, director of Huisman Scherming, also sees this trend, which is happening worldwide. In existing greenhouses there are many screens that make the light diffuse.  There is also a tendency to let in more light. “The cloths with the white strips save less energy, but more screening hours can be achieved. Allowing more light and diffuse light also costs more gas in this case.  If you want to combine both, you can work with two wire beds with screens above each other with, for example, a clear cloth with a diffuse cloth over it.”

Furthermore, he sees in practical terms that growers use screens when they apply elements of Het Nieuwe Telen (Next Generation Growing). They filter better with diffuse screens to remove the sharpness of the light and use mist installations to cool the crop.  According to Vlottes, the latter is mainly done with pot plants. “Ultimately, the use of diffuse screens leads to a greater yield whether it concerns flowers, pot plants or vegetables.”

 

 


05/16/2018 - HortiBiz



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