weed.update: The Weed model - calculate change for one year

Description Usage Arguments Value

Description

TOCOMPLETE

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



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