Lighting
Feb. 26, 2014, Wageningen, the Netherlands — In recent trials at the Netherlands’ Wageningen UR Greenhouse Horticulture, researchers found that producing pot plants under a light-diffusing screen shortens the production time by 25 per cent and results in better quality plants.
This video is part of our “Innovation Through Automation” series filmed during the 2013 Ohio Short Course in Columbus. Gideon de Jager, commercial director of the Codema Systems Group, describes his company’s multi-layer system that was displayed at the Tava Systems booth.
May 2, 2013, West Lafayette, IN — Tomatoes grown around LED lights in the winter can significantly reduce greenhouse energy costs without sacrificing yield, according to a Purdue University study.
April 29, 2013, Gothenburg, Sweden — Heliospectra, specialists in smart LED lighting systems for plant science and horticulture applications, has been chosen by the Institute of Space Systems, the Bremen site of the German Centre for Aerospace, DLR (Deutsches Zentrum für Luft- und Raumfahrt), as the supplier of lighting systems for an extensive research study.
Jan. 21, 2013 — Philips – in collaboration with growers Beyond, River Flowers, along with suppliers Stolze and DLV Plant – has started two new trials with chrysanthemums under LEDs.
Jan. 8, 2013, Bergschenhoek , the Netherlands — The lamps at Jami VOF, a tomato grower and a member of the Van Nature growers association, have been on since the second half of November.
Lighting veteran answers some of the most commonly asked questions he deals with on a fairly regular basis.
May 24, 2012, Wageningen, the Netherlands — Scientists from Wageningen University, part of Wageningen UR, have concluded that it is possible to develop plants that produce even more food by reducing the level of pigments that make no contribution to photosynthesis.
May 17, 2012, Baden-Württemberg, Germany — Plants are dependent on the sun. Sunlight does not only supply them with energy, but also controls their development steps.
Artificial lighting in greenhouses is common practice in greenhouses in northern Europe and Canada.
Dr. Nicolas Castilla is research coordinator in the Institute of Agricultural Research and Training at the Granada Centre in Spain.
NEWS HIGHLIGHT

Ottawa supporting LED research project
The federal government is investing in an innovative technology for greenhouses that will help growers improve efficiency while reducing operational costs.
Introduction: Potted flowering gerbera, generally marketed from April to October, have become popular potted plants in Ontario. Understanding the effect of both light sum and photoperiod on the flower initiation and plant morphology is important when growing potted gerbera for different markets. For small-sized potted gerbera (10-cm pots), early flowering, short flower scape (flower stem) and small leaves are important, while for larger sized pots (15-cm diameter), plants must be larger and may need a longer flower scape to provide proper proportion.
Year-round, high-wire production of mini-cucumbers with supplemental lighting is being fine-tuned at the Greenhouse and Processing Crops Research Centre.
The time when you would simply order plastic at the lowest price – or when building a glass greenhouse, order “just glass” – is behind us. New developments are coming so rapidly that ordering your roof cover is becoming a scientific task
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