43       crop_code
SC      crop_name_1
Silage_corn    crop_name_2
8571.4   total_biomass_C
0.7     portion_of_grain
0.05     portion_of_shoot
0.25     portion_of_root
81.2	plant_CN
80.0    grain_CN_ratio
85      root_CN_ratio
80.0      shoot_CN_ratio
368     water_requirement
5       max_LAI
2       max_height
2550    TDD_10
1       N_fix
0.4	  initial efficiency of use of absorbed light (kg CO2/ha/h)/(J/m2/s), 0.4
60      maximum rate of leaf photosytensis, kg CO2/ha/h
0.012   rate constant of crop development in vegetative stage (1/d, 0.025) 
0.025  rate constant of crop development in reproductive phase 1/d (0.019)
0.7     economic copmponent/storage organc by weight
450.0   specific leaf weight constant, kg dm/ha, 450.0
2775.0  specific stem weight, kg dm/ha, 2775.0
0.5     ratio of internal/external CO2 concentrations, 0.2-0.5
1.0     maximum root depth for crop, m
0.06    increase rate of root depth, m/day

