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Table II. Michaelis-Menten fits to photosynthesis and Ci fluxes as a function of irradiance and se values in the fitted parameters.
An offset, representing the irradiance at which rates are zero, was included in the fits. Ik, IB, and the offsets are in μmol photons m−2 s−1, and Pmax and Bmax are in ×10−20 mol cell−1 s−1.