Table 1 Coefficients for calculating the quantum requirements (a, b), the ratio of oxygenation to carboxylation (Φ) and the fraction of light absorbed by leaves (fabs) in the pessimistic (PA) and optimistic (OA) approach

From: Estimating the quantum requirements for plant growth and related electricity demand for LED lighting systems

Scenario a b Φ fabs
  Dimensionless
PA 12 13.5 0.28 0.70
OA 9 10.5 0.05 0.95