May 2024 - 14

TECHNOLOGY INNOVATIONS
Illuminating the future
Greenhouse lighting has been a
transformative technology in the
greenhouse industry
BY ROSE SÉGUIN
U
ntil recently, greenhouse lighting consisted mostly
of high-intensity discharge lamps (HID), such as
metal halide and high-pressure sodium (HPS) bulbs.
Stage of
development
and crop type
are some of
the factors
that help build
a successful
greenhouse
lighting
strategy.
These fixtures allowed growers to grow vegetable crops in
the winter, reduce crop cycle times and diversify production.
For example, vegetable growers have increased their yields
by 150-200% for cucumbers, 15-20% for tomatoes and
10-20% for bell peppers.
The greenhouse industry is widely transitioning to
LED lighting to improve energy efficiency and respond to
the growing body of research on the effects of different
wavelengths, photoperiod and light intensity on various
crops. With this transition comes the question of which
light spectrum to select, which intensity to install at and
how to use the light fixtures for a given crop.
When considering fixed, nondynamic
LED solutions, growers
really need to hit the nail on the
head for all these questions
as these fixtures will stay
with them for the next ten
to fifteen years - it's a
pretty big risk, when you
think about it. However,
these risks are avoidable
by selecting a dynamic LED
lighting solution which offers
greenhouse growers more
flexibility than ever.
14
MAY 2024 GPNMAG.COM
At Sollum Technologies, our approach is centered on
four main criteria: adjustable output intensity, real-time
dimming, spectral tunability and multi-zone capabilities.
These four criteria, coupled with the integration of
various sensor technologies, provide greenhouse growers
with unparalleled control over their lighting and their crop.
Let's take a deep dive into the advanced technology beyond
dynamic LED lighting.
ADJUSTABLE OUTPUT INTENSITY FOR
PEAK SHAVING
When planning a lighting installation, we prepare a
light plan to determine the number of lights needed to
meet a crop's requirement during the darkest period of
the year (when supplemental lighting is most needed).
That said, growers may not always need to use their
lights at full capacity.
From Sollum's SUN as a Service ( " SUNaaS " ) platform,
growers can easily adjust the maximum output from their
fixtures on a very granular level, with growers entering
the maximum output in terms of either a percentage or
PPFD value in micromoles per square meter per second
(umol/m2
/s). This precision capability is especially helpful
during shoulder months and in regions where utilities
include a demand charge, which is based on the highest
consumption of the month and multiplied by the number of
days in the month.
For example, some growers begin lighting crops shortly
after planting in September to boost productivity. However,

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May 2024

Table of Contents for the Digital Edition of May 2024

Table of Contents
Editor's Report | Meet the next 40!
Automation | Managing what you measure
Technology Innovations | Illuminating the future: Dynamic LED technology
Forty Under 40 | The Class of 2024
Houseplants
Variety Information | A bevy of blooms
Big Grower | Red Sun Farms
Big Grower | Product Showcase
Technically Speaking | Controlling greenhouse temperature for successful production
Culture Report | Garden Gems Cercis Collection
SGAFT | Technology ladders + math = actionable education
AmericanHort | Cultivate your success
Product Marketplace
Classifieds/Ad Index
May 2024 - 1A
May 2024 - 1B
May 2024 - 1C
May 2024 - 1D
May 2024 - 1
May 2024 - 2
May 2024 - Table of Contents
May 2024 - Editor's Report | Meet the next 40!
May 2024 - 5
May 2024 - 6
May 2024 - 7
May 2024 - Automation | Managing what you measure
May 2024 - 9
May 2024 - 10
May 2024 - 11
May 2024 - 12
May 2024 - 13
May 2024 - Technology Innovations | Illuminating the future: Dynamic LED technology
May 2024 - 15
May 2024 - 16
May 2024 - 17
May 2024 - Forty Under 40 | The Class of 2024
May 2024 - 19
May 2024 - 20
May 2024 - 21
May 2024 - 22
May 2024 - 23
May 2024 - 24
May 2024 - 25
May 2024 - 26
May 2024 - 27
May 2024 - 28
May 2024 - 29
May 2024 - 30
May 2024 - 31
May 2024 - 32
May 2024 - 33
May 2024 - 34
May 2024 - 35
May 2024 - 36
May 2024 - 37
May 2024 - 38
May 2024 - 39
May 2024 - 40
May 2024 - 41
May 2024 - 42
May 2024 - 43
May 2024 - Houseplants
May 2024 - 45
May 2024 - 46
May 2024 - 47
May 2024 - Variety Information | A bevy of blooms
May 2024 - 49
May 2024 - 50
May 2024 - 51
May 2024 - 52
May 2024 - 53
May 2024 - Big Grower | Red Sun Farms
May 2024 - 55
May 2024 - 56
May 2024 - 57
May 2024 - 58
May 2024 - Big Grower | Product Showcase
May 2024 - Technically Speaking | Controlling greenhouse temperature for successful production
May 2024 - 61
May 2024 - Culture Report | Garden Gems Cercis Collection
May 2024 - 63
May 2024 - 64
May 2024 - 65
May 2024 - SGAFT | Technology ladders + math = actionable education
May 2024 - 67
May 2024 - AmericanHort | Cultivate your success
May 2024 - 69
May 2024 - Product Marketplace
May 2024 - 71
May 2024 - 72
May 2024 - 73
May 2024 - Classifieds/Ad Index
May 2024 - 75
May 2024 - 76
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