ZeBook (version 0.4)

maize_cir.model: the Maize model function with additional state variable CumInt

Description

the Maize model function with additional state variable CumInt

Usage

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

Arguments

Tbase

: parameter the baseline temperature for growth (degreeCelsius)

TTM

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

TTL

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

K

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

RUE

: parameter radiation use efficiency (?)

alpha

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

LAImax

: parameter maximum leaf area index (-)

weather

: weather data.frame for one single year

sdate

: sowing date

ldate

: last date

Value

• data.frame with daily TT, LAI,B