All R&L Holt’s tomatoes are grown in heated greenhouses, which means that the season can stretch from February until November. However, there is increasing demand from retailers for the UK tomato season to be extended.
Sandylands Nurseries,
R & L Holt
All R&L Holt’s tomatoes are grown in heated greenhouses, which means that the season can stretch from February until November. However, there is increasing demand from retailers for the UK tomato season to be extended.
You’ve got
to keep up
to date and embrace new technology if it’s the right thing for your business"
- Laura Holt, co-founder of R&L Holt
For its Sandylands Nurseries, which covers an area of 8,300 m2, R&L Holt opted for a hybrid lighting system – a combination of HPS lighting (105 μmol) and Philips GreenPower LED interlighting (110 μmol), so all the plants can be lit at the points where they gain most benefit.
Various trials have demonstrated that Philips GreenPower LED interlighting enables much higher and more efficient plant production as the light provided can be converted more efficiently into sugars, the building blocks of the plant. Roly Holt: “So what we’re finding is that we can leave leaf on the plant longer because it’s still working, it’s still photosynthesizing, so it’s still productive. This gives us this ability to produce even fruit size and consistent quality all year round”.
“We think the next step is to look at LED toplighting. We are already doing a trial in our other greenhouse. We think this might be the future: LED toplighting and LED interlighting. This could give us a really sustainable and consistent product.”
The interlighting module is a bi-directional lighting module for interlighting in between tall plants e.g. tomatoes.
Philips LED Horti partner
Queen
With LED we get two to three days faster rooting, which is 25% faster all year round.
Wim Peters Kwekerijen
Peters chose to double the LED lighting with a new hybrid lighting installation that combines Philips GreenPower LED interlighting with HPS.
Great Lakes Growers
Lettuce growing operation in northeast Ohio switches to 100% Philips LED toplighting from HPS after conducting an in-house comparative analysis of grow lights
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