ZeBook (version 1.1)

maize_cir.model: The Maize model with additional state variable CumInt

Description

Variant of the maize model

Usage

maize_cir.model(Tbase, RUE, K, alpha, LAImax, TTM, TTL, weather, sdate,
  ldate)

Arguments

Tbase

: parameter the baseline temperature for growth (degreeCelsius)

RUE

: parameter radiation use efficiency (?)

K

: parameter extinction coefficient (relation between leaf area index and intercepted radiation) (-)

alpha

: parameter the relative rate of leaf area index increase for small values of leaf area index (?)

LAImax

: parameter maximum leaf area index (-)

TTM

: parameter temperature sum for crop maturity (degreeC.day)

TTL

: parameter temperature sum at the end of leaf area increase (degreeC.day)

weather

: weather data.frame for one single year

sdate

: sowing date

ldate

: last date

Value

data.frame with daily TT, LAI,B