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Fig. 2. Simulated net leaf photosynthesis (A) of soybean as a function of intercellular [CO2] (Ci). Symbols are for measured data (mean ± SD, adapted from references), and curves are for simulations using default CROPGRO photosynthetic equations. Panels (a) and (b) are from Griffin and Luo (1999) for plants grown in 350 and 700 µmol CO2 mol–1, respectively; panel (c) is from Valle et al. (1985); panel (d) is from Sims et al. (1998); panel (e) and (f) are from the high- and low-light experiments, respectively, of Harley et al. (1985). Arrows indicate the intercellular [CO2] equivalent to ambient [CO2].
