PhormiTex 77 - Tesselaar Alstroemeria

Using one type of screen at all locations makes managing cultivation less complicated

Making a good screen choice once and then 'rolling out' the installation in phases over all your greenhouses. That's what Rick Tesselaar chose to do. In 2017, Rick started thinking about his screen choice. He knew exactly what he wanted: one screen. It had to be energy-saving, serve as a sunshade on hot days and meet the guidelines regarding light emission.

Ignoring the trend of installing two or three screens on top of each other, Rick found one that met all three of these requirements. In 2018, the first phase was completed. In the meantime, the 10 acres of glass have been almost entirely screened with PhormiTex 77, from Phormium. This year, the last meters will be taken care of. Rick Tesselaar says that "of course, we measured and assessed the screen's performance after the first phase of the installation was completed. We had nothing to worry about there. There was no reason to change our screen choice as far as the next phases were concerned".

Fortunately, it worked out well, because Rick doesn't want to make the job unnecessarily complicated for his cultivation manager. "There are already so many variables. One screen for all three locations makes things easy to control".

 

Rick says that "this screen is perfect for us. It is multi-purpose, which is optimal for us. Results and costs are well-balanced. We use PhormiTex 77 in the summer as a sunscreen, at night as a light screen and in winter as an energy screen." On hot days, it is 60% closed. We meet the light emission requirements; we can close it well at night." And the aluminum strips of this woven fabric counteract radiance. That was important to Rick. Because with too much radiance, the heads can get too cold and pop off. Of course, the grower doesn't want that: "Those aluminum strips are a godsend."

 

Arjan van der Veer, of Phormium, adds: "Rick is explaining it well. Another thing worth mentioning: the aluminum strips in the PhormiTex line actually retain heat better in winter, but in summer they are also cooler due to better reflection than that of white strips."

As a grower, Rick sought advice from colleagues and from his regular screen installer. Huisman Scherming is their screen specialist. Rick got in touch with Dave Boer for advice about screen selection and installation. "The nice thing about Dave is that he gives clear and good advice. He genuinely looks for the best solution together with you. That's nice." 

Tesselaar Alstroemeria

Tesselaar Alstroemeria annually produces more than 36 million stems under 10 hectares of glass. This makes it one of the larger alstroemeria growers. The various types of alstroemeria are grown at three locations in Luttelgeest. They deliver these to wholesalers, retailers, supermarkets and have a cash & carry. The delivery method is agreed upon with the customer.

The company is managed by Rick and Karolien Tesselaar. As they write on their website, they like doing things in their own way. Rick: "There is a large market for alstroemerias. We have consciously built up our organization with well-qualified personnel. Growth should not be limited by people. And that is why the qualifications of our personnel matter. Our company must continue to develop. The system must be solid." 

Source: Floraldaily - 23 juni 2021: https://www.floraldaily.com/article/9332271/using-one-type-of-screen-at-...

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