- Production Manager
- Assistant Professor - Controlled Environments Entomologist
- Technical Development Specialist | Horticulture | France
- Director of Business Development | Middle East | Agtech
- Farm/Production Manager; Berlin (m/w/d)
- Trader Asian Market
- Avocado Growing Manager - Kenya
- Sales Manager for Nordic countries (H/F)
- Senior Breeder
- Operations Manager - Kenya
Top 5 -yesterday
- "It's a niche product that we created ourselves”
- McHutchison and Vaughan’s Horticulture hire national sales manager, and promote three regional sales managers
- UFG's 'Last auction in the large gallery event'
- J. Berry Nursery relaxes Hollywood Hibiscus branded container requirements
- Michiel van Ginkel new CEO Royal Hilverda Group
Top 5 -last week
- HilverdaFlorist delegation visits KF Bioplants in India
- Proven Winners hosts creators roundtable event for plant influencers
- HortEx Vietnam, a gateway to the Vietnamese market
- "Botrytis is thriving in these weather conditions, so being as strict as possible is required"
- Suntory's "Le Tour de Cuttings"
Top 5 -last month
"Netherlands: "Nivolator with hole in screen”"
"The cultivation with Ventilation Jet and Nivolator is going very well. The plants are looking good and we’re saving energy. The latter is mainly because the upper tube is now often turned off. The lower tube is still needed to dry the pots after irrigation. This is necessary to keep the roots active. If that is really true, remains to be seen though.
The Ventilation Jets are currently turned off in order to assess the greenhouse climate and the energy savings by using the Nivolatoren only. It works out well. The energy saving is still good, but 2 percent less than when the Ventilation Jets are running.
The advantage of using only the Nivolatoren is the lower investment. The estimated payback period takes 2 years, whereas for an investment in both the Nivolatoren and Venletilation Jets, that period takes 5 years. Quite a difference. We do see a better temperature distribution with the Ventilation Jets, but because of the lower costs, we are still planning to purchase just the Nivolatoren for the rest of the greenhouse.
We have a double screen with holes for the Ventilation Jets. The holes are exactly above the Nivolatoren, which consequently sucks in air. Not as much as the Ventilation Jets, but enough to dehumidify the greenhouse.
With the fans, we grow at higher RH. Compared to other departments without fans, I can’t detect any differences in the crop. But I can imagine that the higher RH eventually turns out positive. The higher RH is possible by air movements, creating a better temperature distribution and preventing cold spots."
For more information:
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tel: +31 (0)252 466400
fax: +31 (0)252 466406
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