NP {NUETON}

Calculate Nitrogen Productivity (NP)

Description

The ratio of the relative growth rate to the concentration of N in plant tissues. Calculate Nitrogen Productivity using the formula: NP = GR/PlantN

Usage

NP(GR, PlantN)

Arguments

GR

Plant relative growth rate value

PlantN

A numeric vector of values for plant N concentration.

Value

The calculated NP value.

References

Primary: Congreves, K. A., Otchere, O., Ferland, D., Farzadfar, S., Williams, S., & Arcand, M. M. (2021, June 4). Nitrogen Use Efficiency Definitions of Today and Tomorrow. Frontiers in Plant Science, 12. https://doi.org/10.3389/fpls.2021.637108

Secondary: Berendse, F., and Aerts, R. (1987). Nitrogen-use-efficiency: a biologically meaningful definition? Funct. Ecol. 1, 293–296.

Examples

GR <- 15
PlantN <- c(12.1, 8.99, 12.89, 13.11)
NP(GR, PlantN)