Radiation use efficiency based model

Usage

RUEmodMY(weatherdatafile, doy.s = 91, doy.f = 227, ...)

Arguments

weatherdatafile: weather data file (see example).
doy.s: first day of the growing season, default 91.
doy.f: last day of the growing season, default 227.
...: additional arguments to be passed to the RUEmod function.

Value

a data.frame structure with components

Description

Same as RUEmod but it handles multiple years.

Examples

## weather data from Champaign, IL
data(cmiWet)
tmp1 <- RUEmodMY(cmiWet)

xyplot(AG.cum ~ doy | factor(year), type='l', data = tmp1,
       lwd=2,
       ylab=expression(paste('dry biomass (Mg ',ha^-1,')')),
       xlab='DOY')