greenhouse light News
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End-of-production LED Lighting Increases Red Pigmentation in Lettuce
Growing vegetables in greenhouses extends crop production seasons in northern latitudes, but the greenhouse environment is far from ideal for providing plants with optimal photosynthetic light. In fact, available photosynthetic daily light in greenhouses can be reduced by up to 50% or more by the structures' glazing material, superstructure, and shading. In northern latitudes, low light is ...
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Valoya Launches a Line of LED Grow Lights for Greenhouses
The BL-Series are sturdy yet lightweight LED bars optimized for greenhouse cultivation of a wide variety of plants. This new series combines the features of Valoya’s recently launched BX-Series, with the chainability feature. Up to 16 luminaires can be daisy chained together with a single mains input making the installation simpler and removing excessive cables. Additionally, the LED driver ...
By Valoya Oy
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Light-emitting Diode Sole-source Lighting Effective in Bedding Plant Seedling Production
In northern latitudes, producers of bedding plants depend on supplemental lighting during the late winter and early spring growing seasons. Unfortunately, these peak times for young plant production are also the darkest. Researchers have determined that a minimum amount of photosynthetic light (daily light integral; DLI) is necessary to produce high-quality young plants in greenhouses. In ...
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Valoya Launches Two New Greenhouse LED Grow Lights
Valoya, the research driven manufacturer of horticultural LED grow lights has expanded its RX-Series line of greenhouse LEDs with two new models – RX500 and RX600. The new models are higher power, higher efficiency versions of the existing RX400 model and can be used as true 1-to-1 HPS replacements. RX500 and RX600 produce up to the staggering 1700 µmol/s of uniform light output. They ...
By Valoya Oy
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The Role of LEDS in Speed Breeding
Some of the most important crops for feeding the ever-increasing global population include wheat and barley. In order to meet the future demand, scientists have a task of finding ways to improve efficiencies in breeding these and other, similar plant species. Typically, more than 10 years are needed to develop novel cultivars with an advanced agronomic performance. On one hand it is because ...
By Valoya Oy
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Lighting strategies for LEDs in greenhouse horticulture
The use of assimilation lighting in greenhouse horticulture has increased by 10% per year during the past decade, leading to a considerable increase in electricity consumption. LED lighting systems have a variety of advantages, ranging from their small size, high energy conversion efficiency to the option to emit specific wavelengths. In the EU project HI-LED, Wageningen UR Greenhouse ...
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LED lighting can significantly reduce greenhouse horticulture energy consumption
With the exception of energy consumption, where there is still much to be done, the Dutch are global leaders in greenhouse horticulture. The quality is high, and nowhere else is the use of water and pesticides so low. Even so, demand for innovation, sustainable production and healthy fruit and vegetables and high-quality flowers remains high. One innovation that would really help in this is the ...
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FAO Statistical Yearbook paints a big, and detailed, picture of food and agriculture
The 2013 edition of FAO's Statistical Yearbook released today sheds new light on agriculture's contribution to global warming, trends in hunger and malnutrition and the state of the natural resource base upon which world food production depends. Greenhouse gas emissions from agriculture grew 1.6 percent per year during the decade after the year 2000, new FAO data presented in the yearbook show, ...
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10% more light in a new greenhouse concept: the Winterlight Greenhouse
The Winterlight Greenhouse is a new greenhouse concept which gains 10% more light in winter and is currently under construction at Wageningen UR Greenhouse Horticulture in Bleiswijk. The Winterlight Greenhouse has a new type of screen system: Ludvig Svensson high transmittance screen and specially developed diffusing glass. Together with optimization of the construction, more than 10% light gain ...
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Tasty strawberries with LEDs
Strawberries taste better when they are illuminated in the autumn. The vitamin C content and the production has increased as well. That is the result of research by Wageningen UR Greenhouse Hortriculture. Strawberries were planted on 20 August in a greenhouse of IDC Flavour at Wageningen UR Greenhouse Horticulture in Bleiswijk. Three lighting systems and five different varieties are being ...
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