relative_yield {SoilManageR}R Documentation

Calculate relative yield

Description

This function calculates the relative yield of an observed dry matter yield compared to the reference dry matter yield in the Swiss fertilizing guidelines (Sinaj et al. 2017).

Usage

relative_yield(var_crop, var_yield)

Arguments

var_crop

string with name of crop type, must match with the Crops in the C_input_crops_LUT

var_yield

observed dry matter yield (tDM/ha)

Value

the numeric value for the relative yield

References

Sinaj S, Charles R, Baux A, Dupuis B, Hiltbrunner J, Levy Häner L, Pellet D, Blanchet G, Jeangros B (2017). “Grundlagen für die Düngung landwirtschaftlicher Kulturen in der Schweiz (GRUD): Düngung von Ackerkulturen.” Agrarforschung Schweiz, Spezialpublikation, Chapter 8(6), 1–46. https://ira.agroscope.ch/en-US/Page/Publikation/Index/36799.

See Also

Examples

relative_yield("wheat, winter", 4.8)

[Package SoilManageR version 1.0.1 Index]