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Temperature dependence of the light-saturated rate of photosynthesis (Pgrowth) for rice (Oryza sativa) grown at (A, C) ambient CO2 (370 µmol mol−1, open symbols) and (B, D) at elevated CO2 (570 µmol mol−1, closed symbols) in 2003 (A, B) and 2004 (C, D). Measurements were made in June (circles), July (squares), August (triangles) and September (diamonds). Data from two plots are pooled and presented as mean ± s.e. (n = 6).
