CLM50_fert50   CLM50_hist
    0       4.79      4.70
    1       6.80     12.15
    2      -0.43     -0.42
    3       0.52      0.17
    4       3.02      3.25
    5       1.50      1.45
    6       0.70      0.78
    7       0.74      0.38
    8       0.79      0.75
    9       0.77      0.67
   10      -1.52     -1.42
   11       0.52      1.26
   12      23.91     26.25