get_annual_gross_yield {growR}

Lookup table returning expected annual gross yields as function of elevation and management intensity.

Description

Based on data from Table 1a in Lookup Table of expected yield as functions of height and management intensity after Olivier Huguenin et al. (2017).

Usage

get_annual_gross_yield(elevation, intensity = "high")

Arguments

elevation

The elevation of the considered site in meters above sea level.

intensity

One of ("high", "middle", "low", "extensive"). Management intensity for considered site.

Value

Annual gross yield in t / ha (metric tons per hectare). Note that 1 t/ha = 0.1 kg/m^2.

References

Huguenin-Elie IEMPSALWK, Jeangros B (2017). “Grundlagen für die Düngung landwirtschaftlicher Kulturen in der Schweiz (GRUD), Kapitel 9: Düngung von Grasland.” Agrarforschung Schweiz. https://www.agrarforschungschweiz.ch/2017/06/9-duengung-von-grasland-grud-2017/.

Examples

get_annual_gross_yield(1200)
get_annual_gross_yield(1200, intensity = "low")