plants.plt
The plant growth database file stores information required to simulate plant growth by plant species.
Name of the plant/landcover
​string
​n/a
n/a
n/a
Plant/landcover type
​string
n/a
n/a
n/a
Phenology trigger
string
n/a
n/a
n/a
Nitrogen fixation coefficient
real​
none
0.0
n/a
Days to maturity
real
days
110.0
0.0-300.0
Biomass-energy ratio
real
(kg/ha/(MJ/m^2)
15.0
10.0-90.0
Harvest index for optimal growth conditions
real
(kg/ha)/(kg/ha)
0.76
0.01-1.25
Maximum potential leaf area index
real
none
5.0
0.50-10.0
Fraction of the growing season heat units corresponding to the 1st point on optimal leaf area development curve
real
fraction
0.05
0.0-1.0
Fraction of the maximum leaf area index corresponding to the 1st point on optimal leaf area development curve
real
fraction
0.05
0.0-1.0
Fraction of the growing season heat units corresponding to the 2nd point on optimal leaf area development curve
real
fraction
0.40
0.0-1.0
Fraction of the maximum leaf area index corresponding to the 2nd point on optimal leaf area development curve
real
fraction
0.95
0.0-1.0
Fraction of growing season when leaf area begins to decline
real
fraction
0.99
0.2-1.0
Exponent that governs the LAI decline rate
real
n/a
1.0
Maximum canopy height
real
m
6.0
0.1-20.0
Maximum rooting depth
real
m
3.50
0.0-3.0
Optimal temperature for plant growth
real
deg c
30.0
11.0-38.0
Minimum temperature for plant growth
real
deg c
10.0
0.0-18.0
Normal fraction of N in yield
real
kg N/kg yield
0.0015
0.0015-0.075
Normal fraction of P in yield
real
kg P/kg yield
0.0003
0.0015-0.0075
Normal fraction of N in plant biomass at emergence
real
kg N/kg biomass
0.006
0.004-0.07
Normal fraction of N in plant biomass at 50% maturity
real
kg N/kg biomass
0.002
0.002-0.05
Normal fraction of N in plant biomass at maturity
real
kg N/kg biomass
0.0015
0.001-0.27
Normal fraction pf P in plant biomass at emergence
real
kg P/kg biomass
0.0007
0.0005-0.01
Normal fraction of P in plant at 50% maturity
real
kg P/kg biomass
0.0004
0.0002-0.007
Normal fraction of P in plant at maturity
real
kg P/kg biomass
0.0003
0.0003-0.0004
Harvest index that represents the lowest harvest index expected due to water stress
real
(kg/ha)/(kg/ha)
0.01
-0.2-1.1
Minimum value of the USLE C factor for water erosion
real
none
0.001
0.001-0.50
Maximum stomatal conductance
real
m/s
0.002
0.0-0.50
Vapor pressure deficit corresponding to the 2nd point on the stomatal conductance curve
real
kPa
4.0
1.5-6.0
Fraction of maximum stomatal conductance corresponding to the 2nd point on the stomatal conductance curve
read
fraction
0.75
0.0-1.0
Rate of decline in radiation use efficiency per unit increase in vapor pressure deficit
real
none
8.0
0.0-50.0
Elevated CO2 atmospheric concentration corresponding the 2nd point on the radiation use efficiency curve
real
μL CO2/L air
660.0
300.0-1000.0
Biomass-energy ratio corresponding to the 2nd point on the radiation use efficiency curve
real
(kg/ha)/(MJ/m^2)
16.0
5.0-100.0
Plant residue decomposition coefficient
real
none
0.05
0.01-0.099
Minimum LAI during dormant period
real
m^2/m^2
0.75
0.00-0.99
Fraction of biomass accumulated each year
real
fraction
0.30
0.0-1.0
Years to maturity
integer
years
10
0-100
Maximum forest biomass
real
metric tons/ha
1000.0
0.0-5000.0
Light extinction coefficient
real
none
0.65
0.0-2.0
Perennial leaf turnover rate with minimum stress
real
12.0
Perennial leaf turnover rate with maximum stress
real
3.0
Above-ground biomass that dies off at dormancy
real
fraction
1.0
0.0-1.0
Root to shoot ratio at the beginning of the growing season
real
fraction
0.
Root to shoot ratio at the end of the growing season
real
fraction
0.
Plant population corresponding to the 1st point on the population LAI curve
real
plants/m^2
0.
Fraction of the maximum leaf area index corresponding to the 1st point on the leaf area development curve
real
fraction
0.
0.0-1.0
Plant population corresponding to the 2nd point on the population LAI curve
real
plants/m^2
0.0
Fraction of the maximum leaf area index corresponding to the 2nd point on the leaf area development curve
real
fraction
0.0
0.0-1.0
Fraction of field capacity to initiate growth of tropical plants during monsoon season
real
fraction
0.5
0.0-1.0
Aeration stress factor
real
0.0
Residue factor for percent cover equation
real
0.0
Residue factor for surface cover (C factor) equation
real
0.0
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