High goals for high tech
cucumbers

Handelsträdgård Harf,
Närpes, Finland


Ulf Harf hopes to extend shelf life and grow darker green cucumbers that look more appealing to consumers.
Ulf Harf

There was so much
promising data

that I could relate to with my own business. I had to at least try out LEDs”

 

- Ulf Harf, owner Handelsträdgård Harf

Cucumber Ulf Harf
toplighting Ulf Harf

The challenge

 

Harf’s initial goal was to increase his yields. But after visiting the SGGW University in Poland and talking to Philips plant specialists, he now sees opportunities to use LED lighting to improve his crop quality.

A pesar de que la tecnología ofrece cada vez más facilidad para
A pesar de que la tecnología ofrece cada vez más facilidad para
Greenhouse Ulf Harf

The right lighting

 

Harf decided to combine HPS lighting with Philips LED toplighting and a double line of Philips LED interlighting between the rows. To provide as much light as possible, the LEDs are on for 18.5 hours a day and the HPS lights are on 17.5 hours a day, to gradually heat-up and cool-down the crop.

 

Harf’s previous HPS interlighting set-up generated quite a lot of heat in the middle of the crop. This was a major issue, especially in the warmer months of the year, because he had to vent a lot of air and he lost a lot of CO₂. With the new LED interlighting and toplighting solution, Harf can still apply additional lighting in the warmer seasons. That’s important, because cucumbers require as much light as possible.

 

Harf says, “The plants tell you what they need. You can see whether they have gotten enough light or not. You see it very quickly so you can adjust your light and temperature accordingly.”

Philips GreenPower LED toplighting

Philips GreenPower LED toplighting

Philips introduced an LED-based toplighting solution for greenhouse growers, easy to install and no need for water cooling systems.

 

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Philips_GreenPower_LED_interlighting

Philips GreenPower LED interlighting

The interlighting module is a bi-directional lighting module for interlighting in between tall plants e.g. tomatoes.

 

View product

LED toplighting and
LED interlighting 

Facts

Segment

Vegetables

Crop

Imea variety of cucumbers

Location

Närpes, Finland

Solution

Philips GreenPower LED toplighting and LED interlighting

Benefits

20% more plants per m², more light without extra heat, and more control over heat and light

Related cases

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