23      crop_code
PE      crop_name_1
Peanut  crop_name_2
4696.5    total_biomass_C
0.28    portion_of_grain
0.47    portion_of_shoot
0.25    portion_of_root
35.8   plnat_CN_ratio
25.0      grain_CN
50.0      root_CN_ratio
40.0      shoot_CN_ratio
744     water_requirement
3       max_LAI
0.5     max_height
2900    TDD_10
1       N_fix
0.48	  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
0.025   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)
0.75    economic copmponent/storage organc by weight
600.0   specific leaf weight constant, kg dm/ha
2000.0  specific stem weight, kg dm/ha
0.68     ratio of internal/external CO2 concentrations
1.0     maximum root depth for crop, m
0.02    increase rate of root depth, m/day


