Flavour to Savour

Uniformity leadership to consistently enhance size, colour, taste and aroma.

bloemteknik impact

What is it?

Patent pending adjustable light engines for uniformity leadership to consistently enhance strawberry fruit size, colour, taste & aroma.

How does it work?

Engineered to be application adaptable, improve uniformity and maximise PAR light-use efficiency within your facility.

led light beam

Baseline PPF output (µmol/s)

led light beam

Up to 2x PPF output (µmol/s) vs 1 kW HPS

What does this mean for my strawberries?

Growers & academics agree that as a rule of thumb, a 1% increment in PPFD results in a 1% increase in yield of fruiting crops¹. Improving the uniformity over the growing areas reduces supplementary PAR light deviation, benefitting plant quality and production consistency.

Existing

Conventional 1 kW HPS Toplight

Retrofit >PPFD

Bloem 1 kW Impact (Spectrum B7)

Optimised <Energy

Bloem 1 kW Impact (Spectrum B7)

Charlie Benson

Charlie Benson
Co-Founder and CTO

“Intensity uniformity is the consistency of total PAR light distributed over the growing area. This is typically measured at the crop canopy by the volume (%) of the grow area that falls within the specified tolerance of the PPFD setpoint.”

Using Bloem’s Wand Platform

The Bloemteknik Wireless Adaptive Network Delivery (Wand) platform provides advanced dynamic control for single and multi-channel grow lights.

Secure reliable scalable

Secure, Reliable & Scalable

Our highly secure mesh solution, with no single point of failure, supports over 30,000+ devices per network

Flexible Lighting

Flexible Lighting

Easily create zones, groups, light recipes, dimming schedules, DLI targets, and lighting scenes using our wireless control system with our LED grow lights

Closed loop system

Closed-Loop System

Wand acclimates LED grow light output to prevent negative effects from weather or environmental changes

Plant Centric Adaptability

Plant-Centric Adaptability

Designed to follow plant biology, Wand can adjust LED light output to support multiple dynamic lighting controls

Seamless Integration

Seamless Integration

Wand can be used as a standalone lighting control system or integrated with climate control systems via the Horticulture Lighting Protocol (HLP)

Optimised Performance

Preventive Maintenance

Wand continuously monitors power supply temperature, power draw, operating hours, and system responsiveness to detect potential issues before they impact performance. This proactive approach minimises unexpected downtime and maximises the lifespan of the entire lighting system.

Dynamic Lighting

Whether the grow areas require precise, plant-centric dynamic control or a straightforward daily schedule, Bloem’s Wand platform offers a flexible and tailored solution designed to meet the unique needs of your facility

Development Phase Shifting
Development Phase Shifting

Dynamic light adjustment for optimised plant growth stages

Energy Cost Fluctation
Energy Cost Fluctuation

Efficient energy distribution to balance cost and performance

Circadian Rhythm Steering
Circadian Rhythm Steering

Light modulation aligned with natural plant cycles

Artificial Daylength Extension
Artificial Daylength Extension

Extended illumination periods for enhanced productivity

Blue Light
400 - 500 nm

Supplemental blue wavelengths can be used to enhance fruit yield while maintaining fruit quality

A plant signal for stomatal aperture which impacts transpiration, internal CO2 concentration and stomatic conductance

Increases compactness, biomass, leaf thickness and protein synthesis in strawberry plants

Green Light
500 - 600 nm

Enhances photosynthesis in strawberry plants which is associated with an increased biomass accumulation

Promotes rooting which is associated with a higher accumulation of leaves and strawberry fruit

In combination with blue light may increase the total sugar concentration and acidity, enhancing the fruits sweet flavour

Red Light
600 - 700 nm

Increased photosynthetic pigments and soluble carbohydrates in strawberry plants

Increased productions of phenolics including anthocyanins have been demonstrated to be enhanced by red light

Improves strawberry plant productivity and promotes specialised metabolite accumulation

Far Red Light
700 - 800 nm

High R/FR ratios can increase plant height and width promoting better air movement and improved microclimates

Far-Red treatment in combination with blue light can help regulate flowering in strawberry plants

Far-Red wavelengths strongly influence day extension and may be used for night break management

Crop Stage

Strawberry Plant Acclimation
(Long-day & Day-Neutral Cultivars)

Strawberry Plant Vegetative
(Long-day & Day-Neutral Cultivars)

Strawberry Plant Flowering
(Long-day & Day-Neutral Cultivars)

Strawberry Plant Fruiting
(Long-day & Day-Neutral Cultivars)

DLI (µmol/m²/s)

10-15

15-20

20-25

20-25

PPFD (µmol/m²/s)

150-300

250-400

300-600

300-600

Photoperiod (Hours)

12-18

14-18

14-18

14-18

The quantity of photosynthetic active radiation (400 – 700nm) required is defined by the Daily Light Integral (DLI). DLI refers to the quantity of PAR the plant is exposed to within a single day (24-hour period). Each plant, including strawberry plants, have a minimum and maximum DLI to facilitate growth and this varies by development stage and plant variety. Typically, flowering, and fruiting stages of strawberry plants have a recommended DLI range of 20-25 mol/m²/day. The desired photosynthetic active radiation density (PPFD) can be calculated from the DLI target and exposure duration (photoperiod).

For example, using a photoperiod of 16 hours provides the following formulae:

20 mol/m²/day / 16 hours / 60 minutes / 60 seconds = 347 µmol/m²/s minimum PPFD
25 mol/m²/day / 16 hours / 60 minutes / 60 seconds = 434 µmol/m²/s maximum PPFD

Increasing the photoperiod decreases the PPFD requirement to achieve a similar DLI (mol/m²/day) and the reverse can be said for decreasing the photoperiod and increasing the PPFD. The photoperiodic flowering responses of strawberry plants can be classified into either short-day, long-day and day-neutral types. Photoperiod is one of the primary factors that can elicit significant hormonal changes stimulating flowering and fruiting stages in strawberry cultivars. There is research suggesting increasing the DLI either by increasing the photoperiod or by increasing the PPFD can improve strawberry plant growth. However, extending the photoperiod can have a greater impact than a higher PPFD level on promoting flowering and early fruit production in long-day or day-neutral cultivars.

strawberry indoor cultivation

“Typically, strawberry flowering & fruiting stages have a recommended DLI range of 20-25 mol/m²/day.”

Get the Full Story

To see the complete list of light wavelength effects on strawberries, PPFD & photoperiods and much more please download our greenhouse strawberry cultivation lighting application guide.

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