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plnt_cnt

Number of plants in the community

This number must be consistent with the number of plants listed for the community.

name (plant.ini)

Plant community name

The name of the plant community is a primary key referenced by in . All names in the plant.ini file must be unique.

plnt_com
landuse.lum

phu_init

Initial fraction of plant heat units accumulated

This variable is required for plants that are growing at the beginning of the simulation (lc_status = y).

lc_status

Land cover status at start of simulation

Option
Description

n

Plant not growing

y

Plant growing

yrs_init

Age of plant at start of simulation

plnt_name

Plant name as in plant database

The plant name is a foreign key referencing the primary key name in plants.plt.

rot_yr_ini

Initial rotation year

plant.ini

This file stores information about the plants growing in a plant community.

A plant community can consist of plants growing at the same time or plants growing in rotation.

The structure of the file plant.ini is different than that of most other SWAT+ input files. The first line for each plant community specifies how many plants there are in the community and what the initial year of the rotation is. It is followed by one line per plant in the community.

Field
Description
Type
Unit
Default
Range

plnt_pop

Plant population

rsd_init

Initial residue cover

Plant community name

string

n/a

n/a

n/a

Number of plants in the community

integer

n/a

Initial rotation year

integer

n/a

Plant name as in plant database

string

n/a

n/a

Land cover status at start of simulation

string

n/a

n/a

Initial Leaf Area Index

real

m^2/m^2

0.0

0.0-8.0

Initial plant biomass

real

kg/ha

0.0

0.0-1000.0

Initial fraction of plant heat units accumulated

real

fraction

0.0

0.0-100.0

Plant population

real

n/a

0.0

Age of plant at start of simulation

real

years

0.0

Initial residue cover

real

kg/ha

10000.00

0.0-10000.0

bm_init

Initial plant biomass

This variable is required for plants that are growing at the beginning of the simulation ( = y).

lai_init

Initial Leaf Area Index

This variable is required for plants that are growing at the beginning of the simulation ( = y).

name
plnt_cnt
rot_yr_ini
plnt_name
lc_status
lai_init
bm_init
phu_init
plnt_pop
yrs_init
rsd_init
lc_status
lc_status