CLM45_fert50   CLM45_hist
    0       1.29      1.00
    1       1.05     27.75
    2       0.85      0.50
    3       6.36     24.23
    4       0.68      0.40
    5       3.43     14.90
    6       0.61      0.30
    7       5.08     14.39
    8       1.02      0.55
    9       5.13     23.80
   10       1.07      0.65
   11       4.15     23.61
   12       7.83      8.13