weed.update: The Weed model - calculate change for one year
In ZeBook: Working with Dynamic Models for Agriculture and Environment
Description
Usage
Arguments
Value
Description
The Weed model - calculate change for one year
Usage
1
weed.update(d, S, SSBa, DSBa, Soil, Crop, Herb, param)
Arguments
d
: weed density at seed emergence (plants/m2) - value for year
S
: seed production per m2 - value for year
SSBa
: surface seedbank after tillage (grains/m2) - value for year
DSBa
: deep seedbank after tillage (grains/m2) - value for year
Soil
: value for soil decision (1 or 0)
Crop
: value for crop decision (1 or 0)
Herb
: value for herbicide treatment decision (1 or 0)
param
: vector of the 16 parameters
Value
a vector with values of state variables for year+1
ZeBook documentation built on May 1, 2019, 9:48 p.m.
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Description Usage Arguments Value
Description
The Weed model - calculate change for one year
Usage
1 | weed.update(d, S, SSBa, DSBa, Soil, Crop, Herb, param)
|
Arguments
d |
: weed density at seed emergence (plants/m2) - value for year |
S |
: seed production per m2 - value for year |
SSBa |
: surface seedbank after tillage (grains/m2) - value for year |
DSBa |
: deep seedbank after tillage (grains/m2) - value for year |
Soil |
: value for soil decision (1 or 0) |
Crop |
: value for crop decision (1 or 0) |
Herb |
: value for herbicide treatment decision (1 or 0) |
param |
: vector of the 16 parameters |
Value
a vector with values of state variables for year+1
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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