photobiologyWavebands (version 0.4.1)

PAR: Definition of PAR waveband

Description

Photosythetically active radiation (400-700 nm), no weighting applied.

Usage

PAR(std = "Plant")

Arguments

std

a character string "Plant" or "McCree"

Value

a waveband object wavelength defining a wavelength range.

References

McCree, K. J. (1972) The action spectrum, absorptance and quantum yield of photosynthesis in crop plants. Agricultural Meteorology, 9, 191-216

See Also

waveband

Examples

PAR()
PAR("Plant")