Nitrogen Use Efficiency Toolkit on Numerics
Calculate N Uptake Efficiency (NUpE)
Calculate N Utilization Efficiency (NUtE)
Calculate Physiological Efficiency
Calculate Partial-factor Productivity (PFP)
Calculate Partial N Balance
Calculate N Balance Index of a System (sNBI)
Calculate NUE of a System (sNUE)
Calculate Total N derived from Fertilizer (TNdfF)
Calculate Virtual N Factor (VNF)
Calculate Agronomic Efficiency
Calculate NUEecology
Calculate Internal Efficiency (IE)
Calculate N Balance Intensity (NBI)
Calculate N derived from Fertilizer (NdfF)
Calculate N Harvest Index (NHI)
Calculate Nitrogen Productivity (NP)
Calculate Fertilizer-N Recovery Efficiency
Calculate Isotope-Based Recovery Efficiency of N-Fertlizer (NRE15)
Calculate NUEbalance
Calculate NUEcrop
Calculate NUE of a Food Chain (NUEFC)
Calculate NUEsoil
Calculate NUEyield
A comprehensive toolkit for calculating and visualizing Nitrogen Use Efficiency (NUE) indicators in agricultural research. The package implements 23 parameters categorized into fertilizer-based, plant-based, soil-based, isotope-based, ecology-based, and system-based indicators based on Congreves et al. (2021) <doi:10.3389/fpls.2021.637108>. Key features include vectorized calculations for paired-plot experimental designs, batch processing capabilities for handling large datasets, and built-in visualization tools using 'ggplot2'. Designed to streamline the workflow from raw agronomic data to publication-ready metrics and plots.