Greenhouse Light Conversions & Vertical Farm Lighting | Greenhouse Lighting Systems

Today’s video is about understanding greenhouse light conversions, vertical farm lighting, and greenhouse lighting systems. M.S. Karla Garcia, Hort Americas Technical Service, talks about all that you need to know. Calculating how much light your plants are receiving is important for growing in the greenhouse or a vertical farm. You must take into account sunlight and artificial lighting. Converting energy measurements, joules to micromoles, lux to micromoles, etc.

If you're interested in learning about light conversions, you are in the right place. This new video from Horton Americas TV will help you learn how to use light data from your sensors and how to convert to the correct units, in order to know how plants are using light. So, let's understand light. First, we'll start separating light from solar radiation. Solar radiation is not light, but includes more than light. Solar radiation covers a range from 300 to 1500 nanometers, and it can be even a little bit more, but atmosphere blocks a part.

Not all solar radiation is light. Solar radiation is measured in terms of energy. We commonly use unit like joules per square meter per second, or watts per square meter. This measurement includes not only light, but also heat and UV radiation. Just 45 to 50 percent of solar radiation represents light, so let's make a summary. Solar radiation includes more than light forty percent to fifty percent of solar radiation - the rest is UV light and heat. To measure solar radiation, we use energy units. This can be joules per square meter per second or watts per square meter. Light includes all the wavelengths that are visible to the human eye, being half of the total solar radiation, which can also be called global radiation.

How to calculate the amount of light a crop receives in the greenhouse, as well as light conversions. Working in a growing system, such as a greenhouse or a plant factory, necessitates a thorough understanding of light control. When we understand light, we can make informed judgments about how to provide the best possible environment for our crops' growth, development, and yield. This video will show you how to determine the quantity of light your crop receives accurately when working inside a greenhouse.

What is the difference between solar and global radiation? To comprehend light, we must first distinguish it from the definition of solar radiation. The wavelength range of solar energy on Earth is 300 to 1500 nm. More than only light is emitted by the sun. Only 45 to 50 percent of solar radiation is light; the remaining wavelengths comprise UV and heat. We use energy units like Joules/m2/s or W/m2 to quantify radiation.

Which method is the most accurate for determining the impact of light on crops? All wavelengths visible to the human eye are included in solar radiation. We utilize PAR to understand how plants use light (Photosynthetic Active Radiation). Only a part of solar energy, from 400 nm to 700 nm, is included in PAR. When measuring PAR, we utilize the PPFD (Photosynthetic Photon Flux Density) unit, which is measured in mol/ m2/s. This unit will assist us in fully comprehending how plants use light.

As a result, using a PAR sensor, also known as a Quantum Sensor, is the ideal technique to detect light. PAR sensors, on the other hand, are not as widespread as radiation sensors, which are commonly found in meteorological weather stations in greenhouses. Outside the greenhouse are meteorological weather stations.

Hort Americas is happy to offer the best LED grow light solutions for both greenhouse and vertical farming systems.

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SHOP PRODUCTS IN THIS VIDEO
Apogee PAR-FAR Sensor: https://hortamericas.com/catalog/cont...
30MHz Photosynthetically Active Radiation (PAR) sensor: https://hortamericas.com/catalog/cont...

MORE EDUCATIONAL RESOURCES
Improved Daily Light Integrals with Satellite Data: https://hortamericas.com/blog/news/im...

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