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NUETON (version 0.1.0)

NUEcrop: Calculate NUEcrop

Description

The fraction of fertilizer N that is utilized and allocated to yield N. Calculate NUEcrop using the formula: NUEcrop = YieldN/FertN

Usage

NUEcrop(YieldN, FertN)

Value

The calculated NUEcrop value.

Arguments

YieldN

A numeric vector of the N removed as yield values.

FertN

A numeric value for fertilizer N input.

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: Martinez-Feria, R. A., Castellano, M. J., Dietzel, R. N., Helmers, M. J., Liebman, M., Huber, I., et al. (2018). Linking crop- and soil-based approaches to evaluate system nitrogen-use efficiency and tradeoffs. Agric. Ecosyst. Environ. 256, 131– 143. doi: 10.1016/j.agee.2018.01.002

Examples

Run this code
YieldN <- c(2.88, 4.54, 3.62, 4.21)
FertN <- 15
NUEcrop(YieldN, FertN)

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