About: Photosynthetic Photon Flux Density

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About: Photosynthetic Photon Flux Density Goto Sponge NotDistinct Permalink

An Entity of Type : http://qudt.org/schema/qudt/QuantityKind, within Data Space : foodie-cloud.org, foodie-cloud.org associated with source document(s)

Attributes	Values
type	Quantity Kind
label	Photosynthetic Photon Flux Density
isDefinedBy	QUDT Quantity Kind Vocabulary Version 2.1.29
alternative label	PPFD
prov:wasDerivedFrom	https://www.dormgrow.com/par
http://qudt.org/sc...dt/applicableUnit	Micromoles per square metre per second
http://qudt.org/sc...asDimensionVector	http://qudt.org/vocab/dimensionvector/A1E0L-2I0M0H0T-1D0
http://qudt.org/sc...ormativeReference	https://www.gigahertz-optik.com/en-us/service-and-support/knowledge-base/measurement-of-par/
http://qudt.org/sc...inTextDescription	Photosynthetically Active Radiation are the wavelengths of light within the visible range of 400 to 700 nanometers (nm) that are critical for photosynthesis. PPFD measures the amount of PAR light (photons) that arrive at the plant’s surface each second. The PPFD is measured at various distances with a Full-spectrum Quantum Sensor, also known as a PAR meter. Natural sunlight has a PAR value of 900-1500μMol/m2/s when the sun is directly overhead. For a grow light to be effective, it should have PAR values of 500-1500 μMol/m2/s.
is has quantity kind of	Micromoles per square metre per second

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