How it works

In an early stage german horticulture specialist Rhenac GreenTec identified LED technology as an energy­ saving alternative for conventional sodium vapour luminaires.

LED technology is known for consuming only a fraction of the energy conventional sodium vapour luminaires require when attributing to the growth of natural products like vegetables and grasses. The technology has, however, an additional advantage.

It has a flexible approach to grass growth. Light plays a different role in every stage of the lifecycle grasses experience.

Firstly it has to help the seed to germinate. Once the grass starts to grow it requires continuous photosynthesis to become a strong and firm blade. Roots, on the other hand, require being able to settle firmly into the soil to ensure a dense and solid grass carpet. Most importantly, all this should take place in the shortest period of time thereby ensuring the pitch being in pristine condition by the time the next match is played.

Fine tuning a system

Answering the needs for proper grass growth by using LED technology requires thorough understanding of the technology.

LED technology is completely different from conventional sodium vapour luminaire technology. A LED luminaire is made up of many different LEDs that each can be directed and powered individually. LEDs also produce a much wider colour rendering scope, allowing the system to be much more flexible as well as more intense than conventional systems.

Scientific approach

Prof. Dr. Jürgen Soll, Plant Biochemistry and Physiology, Ludwig-Maximilians-University, Munich: “The Rhenac GreenTec LED growing lighting system was researched extensively over the past three years. The Bio centre of the Ludwig­-Maximilians University in Munich, Germany , was one of the research partners we engaged. The Technical University ofMunich is the second biggest university in Germany and prepares some 40,000 students for a future in the science industry. Corporates like Siemens, Osram or Daimler Chrysler, to name a few, draw knowledge extensively from this university, hence we decided to follow suit in our quest to develop the next generation stadium growing lighting system.’The availability of the entire daylight spectrum with the least amount of heat radiation is the decisive advantage compared to conventional luminaires that have few lines of visible light and emit a considerable amount of heat.”

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