clm40_r270 fert50 1995-2014   clm40_r270 control 1995-2014
    0       1.95      1.48
    1       3.55     26.43
    2       1.30      0.38
    3       7.46     27.72
    4       1.08      0.39
    5       6.61     16.38
    6       1.47      0.53
    7       6.08     26.75
    8       1.19      0.03
    9      14.93     28.66
   10       1.42      0.55
   11       5.20     24.27
   12      43.25     43.02