44	crop_code
SB	crop_name_1
Silage_beet	crop_name_2
6666.7    total_biomass_C
0.9	harvested_portion
0.05	portion_of_shoot
0.05	portion_of_root_residue
105    plant_CN_ratio
110.0      grain_CN
80.0	root_CN_ratio
70.0	shoot_CN_ratio
397	water_requirement
4	max_LAI
0.5	max_height
2550    TDD_10
1       N_fix
0.56	  initial efficiency of use of absorbed light at 20 C, 340 CO2, (kg CO2/ha/h)/(J/m2/s)
38      maximum rate of leaf photosytensis, kg CO2/ha/h
0.007   rate of crop development in vegetative stage at a reference temperature and reference daylength (1/d, DRCV) 
0.020   rate constant of crop development in reproductive phase at a reference temperature, 1/d (DRCR)
1.0     economic copmponent/storage organc by weight
500.0   specific leaf weight constant, kg dm/ha
1900.0  specific stem weight, kg dm/ha
0.39    ratio of internal/external CO2 concentrations
1.2     maximum root depth for crop, m
0.02    increase rate of root depth, m/day



