Block , CO2 ,  Nitrogen ,  Panicles,   GrainYield, Spikelets
     1,  Ambient, Low,             371.48,      663.48, 95.8
     1,  Ambient, Medium,        443.55,      743.96, 95.2
     1,  Ambient, High,            473.39,      781.31, 92.0
     2,  Ambient, Low,             387.35,      717.92, 95.0
     2,  Ambient, Medium,        461.01,      788.25, 93.3
     2,  Ambient, High,            471.49,      860.91, 92.0
     3,  Ambient, Low,             392.64,      689.00, 95.5
     3,  Ambient, Medium,        425.14,      778.98,95.4
     3,  Ambient, High,            487.68,       847.78, 92.5
     4,  Ambient, Low,             422.28,      668.60, 95.1
     4,  Ambient, Medium,        489.27,      756.85, 92.9
     4,  Ambient, High,            516.26,       853.07, 87.7
     1,  Elevated,  Low,           360.89,       634.32, 97.1
     1,  Elevated, Medium,       476.57,       804.07, 96.2
     1,  Elevated, High,           508.64,       933.15,93.6
     2,  Elevated, Low,            441.33,      793.04, 95.7
     2,  Elevated, Medium,       505.46,      886.84, 94.9
     2   Elevated, High,            492.44,      962.86, 92.6
     3,  Elevated, Low,             404.28,     711.75, 96.3
     3,  Elevated, Medium,        482.61,     895.62, 96.5
     3,  Elevated, High,            530.54,     952.26, 89.1
     4,  Elevated, Low,             415.93,     716.32, 96.0
     4,  Elevated, Medium,        513.09,     894.38, 96.3
     4,  Elevated, High,            555.31,     875.81, 89.7