CLM40_fert50   CLM40_hist
    0       1.70      1.10
    1       0.87     40.56
    2       1.46      0.78
    3       5.15     34.66
    4       1.41      0.77
    5       1.96     27.60
    6       1.32      0.66
    7       3.31     26.60
    8       1.43      0.66
    9       8.11     29.70
   10       1.64      0.89
   11       3.89     33.76
   12       5.39      5.86