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Update parameter values to match those from the article
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VEZY committed Jun 12, 2019
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8 changes: 4 additions & 4 deletions R/0-Coffee.R
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#' @export
coffee= function(){
list(
Stocking_Coffee = 6666, # Coffee density at planting (plant ha-1)
Stocking_Coffee = 5580, # Coffee density at planting (plant ha-1)
AgeCoffeeMin = 1, # minimum coffee stand age
AgeCoffeeMax = 41, # maximum coffee stand age (start a new rotation after)
AgeCoffeeMax = 40, # maximum coffee stand age (start a new rotation after)
SLA = 10.97, # Specific Leaf Area (m-2 kg-1 dry mass)
wleaf = 0.068, # Leaf width (m)
DELM = 7, # Max leaf carbon demand (gC plant-1 d-1)
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WoodPruningRate = 1/3, # how much branches wood are pruned (ratio)
k_Dif = 0.4289, # Light extinction coefficient for diffuse light (-), computed from MAESPA
k_Dir = 0.3579, # Light extinction coefficient for direct light (-), computed from MAESPA
kres = 0.33, # Maximum carbon proportion extracted from reserves mass per day
kres = 0.08, # Maximum carbon proportion extracted from reserves mass per day
DVG1 = 105, # Day of year for the beginning of the Vegetative Growing Season
DVG2 = 244, # Day of year for the end of the Vegetative Growing Season
MinTT = 10, # Minimum temperature threshold (deg C) for degree days computation
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VF_Flowering = 5500, # Very first flowering (dd), source: Rodriguez et al. (2001)
F_buds1 = 840, # Bud development stage 1 (2), source: PhD Louise Meylan p.58.
F_buds2 = 2562, # Bud development stage 2 (dd)
a_bud = 0.004, # Parameter for bud initiation from Eq. 12 in Rodriguez et al. (2001)
a_bud = 0.004, # Parameter for bud initiation from Eq. 12 in Rodriguez et al. (2001)
b_bud = -0.0000041, # Parameter for bud initiation from Eq. 12 in Rodriguez et al. (2001)
F_Tffb = 4000, # Time of first floral buds (Rodriguez et al., 2001).
a_p = 5.78, # Parameter for bud dormancy break from Rodriguez et al. (2011)
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6 changes: 3 additions & 3 deletions R/0-Site.R
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#'
#' @section coffee:
#' The default coffee parameters. It is essentially a high density plantation (6666 coffee plants
#' per hectares) of *Coffea arabica var. Caturra* that are pruned every year to sustain
#' per hectares) of \emph{Coffea arabica var. Caturra} that are pruned every year to sustain
#' three resprouts per stump in average.
#' @section Tree:
#' The default shade tree parameters. The shade trees in Aquiares were *Erythrina poeppigiana*
#' planted at high density (250 trees ha-1) and pruned to optimize light transmitted to the *Coffea*,
#' The default shade tree parameters. The shade trees in Aquiares were \emph{Erythrina poeppigiana}
#' planted at high density (250 trees ha-1) and pruned to optimize light transmitted to the \emph{Coffea},
#' and were depressed in 2000 to a low density of ~7.4 trees ha-1.
#' From 2000, these trees made a relatively large crown with an average height of 26 m in 2018
#' on this site. NB: the Tree parameter file is optional, and not needed
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