canopy lighting Articles
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Ground-based canopy reflectance sensing for variable-rate nitrogen corn fertilization
Nitrogen available to support corn (Zea mays L.) production can be highly variable within fields. Canopy reflectance sensing for assessing crop N health has been proposed as a technology to base side-dress variable-rate N application. Objectives of this research were to evaluate the use of active-light crop-canopy reflectance sensors for assessing corn N need, and derive the N fertilizer rate ...
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Light Uniformity - Comparing LED and HPS Luminaires
Light uniformity is an important factor when it comes to growing a consistent crop and optimizing your growing environment, however, there has been some misinformation about the way HID and LED luminaires distribute light and affect plant health. As a manufacturer of both HID and LED technology, P.L. Light Systems always strives to show the complete picture of both technologies. We think both ...
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How LED and HPS Lighting affects air and leaf temperature
How LED and HPS Lighting can affect air and leaf temperature: The Effects of Convective Heat vs. Radiant Heat As growers are educating themselves more on different lighting technologies, we have been faced with questions many times over about what effects different light sources have on temperature and crop production; what is the difference between Convection Heat and Radiant Heat? Anyone ...
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LED or HPS for Growing Cannabis?
“What lighting source should I use for my licensed cannabis grow?”; “I am comparing LED to HPS for my cannabis operation. Which source do you recommend?” These are questions people ask me almost on a daily basis. We have covered this question in past posts on our blog, like this one by our very own head of marketing: LEDs vs Traditional Lighting but most cannabis growers ...
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