Daily light integral
Daily light integral: use constant ppfd, photoperiod. Review the formula, worked example and calculation steps.
Inputs
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Formula & explanation
DLI = PPFD × hours ×3600/10⁶
Variables & units
- Constant PPFD
- µmol/(m²·s) · minimum 0, maximum 1000000000000
- Photoperiod
- h/day · minimum 0, maximum 24
Worked example
Use the example inputs to explore this model; the solution shows each supplied quantity.
Assumptions
Assumes constant photon flux during the light period; variable outdoor light requires integration.
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Practice with an example
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