Phenology: Stand-alone phenology module

In lucabutikofer/WofostR: R Implementation of Wofost Crop Growth Algorithm

Description

Computes the phenological development of the crop

Usage

Phenology(crop, w, startType = "sowing", finishType = "maturity",
  activate.verndvs = TRUE)

Arguments

crop	CorpObject. Object of class CropObject containing the specific crop parameters. See ?CropObject.
w	WeatherObject. Object of class CropObject containing the climatic driving variables. See ?WeatherObject.
startType	Development stage at which the simulation is started. Either "sowing" or "emergence".
finishType	Variable describing the conditionst riggering the end of the simulation. Can be either "maturity" -The model is terminated 7 days after maturity is reached - or an integer [1:365] -Maximum number of days for which the model is run.
activate.verndvs	Logical. If TRUE, allows the use of variable "VERNDVS". A critical development stage (VERNDVS) is used to stop the effect of vernalisation when this DVS is reached. This is done to improve model stability in order to avoid that Anthesis is never reached due to a somewhat too high VERNSAT. Nevertheless, a warning is written to the log file, if this happens.

Examples

p <- Phenology (crop = dwn.crop(), w = randomWeather,)
plot(randomWeather@DAY[1:length(p$dvs)], p$dvs, type = 'l', col = 4,
     main = paste(dwn.crop()@VARNAME, 'development'),
     xlab = '',
     ylab = 'DVS')

lucabutikofer/WofostR documentation built on Aug. 9, 2021, 2:24 p.m.