condition  pCO2  irradiance  photosyn  photosyn_sd  
P_replete  22    10.3        0.2192    0.069        
P_replete  22    19.3        0.2238    0.0777       
P_replete  22    40.3        0.723     0.0856       
P_replete  22    62.7        0.9164    0.042        
P_replete  22    81.3        1.134     0.2053       
P_replete  22    105         1.5207    0.1727       
P_replete  22    154         1.8862    0.0986       
P_replete  22    210         2.0455    0.0728       
P_replete  22    311         2.111     0.0667       
P_replete  22    414         2.1935    0.0681       
P_replete  22    607         2.276     0.0693       
P_replete  22    826         2.2978    0.0888       
P_replete  22    1004        2.2869    0.0599