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The light units explained
Discover the meaning of the different units used to measure light in horticulture.
Convert quickly and easily to the solar spectrum:
Joules / cm2 / jour ⇄ mol / m2 / jour
Watts / m2 ⇄ μmol / m2 / s
Watts / m2 ⇄ Lux
Lux ⇄ μmol / m2 / s
mol / m2 / jour ⇄ μmol / m2 / s