18		crop_code
new		crop_name_1
Potato		crop_name_2
8000.000000	total_biomass_C
0.700000	portion_of_grain
0.250000	portion_of_shoot
0.050000	portion_of_root
40.678001	plant_CN
40.000000	grain_CN_ratio
60.000000	root_CN_ratio
40.000000	shoot_CN_ratio
415.000000	water_requirement
4.000000	max_LAI
0.500000	max_height
2100.000000	TDD
1.000000	N_fixation

0.500000 initial efficiency of use of absorbed light (kg CO2/ha/h)/(J/m2/s)
30.000000 maximum rate of leaf photosytensis, kg CO2/ha/h
0.030000 rate constant of crop development in vegetative stage (1/d)
0.018000 rate constant of crop development in reproductive phase 1/d
0.700000 economic copmponent/storage organc by weight
450.000000 specific leaf weight constant, kg dm/ha
2775.000000 specific stem weight, kg dm/ha
0.500000 ratio of internal/external CO2 concentrations
1.000000 maximum root depth for crop, m
0.060000 increase rate of root depth, m/day
