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Plot national nitrogen inputs and uses for the full agro-food system.

Source: R/input_output_plots.R
plot_input_output_system.Rd

Builds a stacked-area plot of Spanish national nitrogen inputs (soil inputs and imports, as negative values) against uses (feed, food, other uses, exports) and surplus over time. A nitrogen "Accumulation" term is added when the n_balance_ygpit_all pin is available.

Usage

plot_input_output_system(per_ha = FALSE, example = FALSE)

Arguments

per_ha

Logical. If TRUE, express nitrogen flows per hectare of agricultural land (kg N/ha) instead of national totals (Gg N). Requires remote data, so it is ignored in example mode. Default is FALSE.

example

If TRUE, build the plot from a small example dataset without downloading remote data. Default is FALSE.

Value

A ggplot object.

Examples

plot_input_output_system(example = TRUE)