6       crop_code
SW      crop_name_1
Spring_wheat crop_name_2
3875.1    total_biomass_C
0.35    portion_of_grain
0.4     portion_of_shoot
0.25     portion_of_root
40.3    plant_CN
25.0      grain_CN
60.0      root_CN_ratio
60.0      shoot_CN_ratio
50     water_requirement_513
3       max_LAI
0.5     max_height
1200    TDD_10_1900
1       N_fix
0.50	  initial efficiency of use of absorbed light at 25 C, 340 CO2, (kg CO2/ha/h)/(J/m2/s)
40      maximum rate of leaf photosytensis, kg CO2/ha/h
0.03   rate of crop development in vegetative stage at a reference temperature and reference daylength (1/d, 0.20) 0.012
0.03   rate constant of crop development in reproductive phase at a reference temperature, 1/d (0.20) 0.03
0.85    economic copmponent/storage organc by weight
500.0   specific leaf weight constant, kg dm/ha
1080.0  specific stem weight, kg dm/ha
0.7     ratio of internal/external CO2 concentrations
1.8     maximum root depth for crop, m
0.012    increase rate of root depth, m/day


