Roses benefit from higher reflection of blue light
30-05-2014Not only the amount of light but also its colour determines the growth and production of roses. The coating ReduFlex Blue allows relatively less blue light to enter the greenhouse. Commercial trials have shown that this has a positive effect on stem length or production. The rose growers who took part...
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Incoming light in winter certainly can be improved
17-03-2014During the winter natural light is the limiting factor for growth and production: Every reason to look at optimising the light entering the greenhouse during the winter. Frank Kempkes of Wageningen UR Greenhouse Horticulture thinks it’s possible to improve it by 15-20%.
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Extra light by cleaning the glass
16-03-2014Over the years different innovations have been introduced to obtain more light in the greenhouse. White coated pillars, larger panes of glass and narrower gutters all help to ensure that more light falls onto the crop. But to make the most of this extra light, don’t forget to clean the glass.
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Coatings have no effect on day length sensitivity
13-03-2014Short day plants flower during short days; long day plants flower during long days. It is becoming increasingly clear that light colour plays an important role in driving this effect. Coatings however, have no impact on this.
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Steering with light colours getting closer
12-03-2014Different light colours each have their own effect on growth and development. Our knowledge about this is increasing and is starting to be applied. But does our ability to steer with light still lie way in the future?
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Screens hardly needed due to coating
11-03-2014Since Dutch flower nursery, van de Westeringh, started using ReduHeat and ReduFuse IR, the shade screens have hardly been used at all. The flower colour remains good and working conditions are better.
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Measuring light in practice
10-03-2014All our coatings are measured annually by the light lab at Wageningen UR. They determine a number of values including direct transmission, hemispheric transmission and diffusion.
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Loss of light through condensation
10-03-2014Water droplets on the inside of greenhouses due to condensation can cause considerable loss of light.
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Why diffuse light works
07-03-2014If you scatter light when radiation is high, the total photosynthetic efficiency of the entire crop increases. This is the main reason why diffuse light leads to greater production. Furthermore it results in less heat stress.
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Three years practical experience with ReduFuse
06-03-2014Coating makes optimal growing possible. Diffuse light clearly can increase production and quality. Over the years this has been proven time and time again by horticultural research trials and now data from commercial nurseries is piling up. ReduFuse allows a greenhouse roof to diffuse light without the...
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ReduFuse or ReduFuse IR?
04-03-2014A few years ago Mardenkro introduced ReduFuse. It is a coating that diffuses sunlight while hardly reducing light transmission. It is used mostly in the summer months for vegetable and flower crops that normally are not, or very minimally, screened. It’s clear from the graph below that light transmission...
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Pot plants benefit from diffuse glass
27-02-2014A wide range of flowering and green pot plants performs better under ReduFuse. For some types the increase in productivity or acceleration of the production cycle is quite substantial. That is especially true if the grower can allow in more light. But even at an equal level of light, diffused light leads...
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Independent light measurements
26-11-2013Independent light measurements demonstrate: ReduFuse achieves uniform distribution of light with minimum loss! Mardenkro called in Multi-Meet from Nieuw-Vennep to measure the light in greenhouses belonging to Prominent, a growers’ association located in ’s-Gravenzande (Netherlands). The aim was to gain...
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