Nutrient Harvest Index (NHI)

Proportion of total plant nutrient partitioned to grain.

nutrient_harvest_index(
  grain_nutrient_uptake,
  total_nutrient_uptake,
  verbose = TRUE
)

Arguments

grain_nutrient_uptake

Numeric vector. Nutrient uptake in grain (kg/ha).

total_nutrient_uptake

Numeric vector. Total plant nutrient uptake (kg/ha).

verbose

Logical. If TRUE, prints informational messages. Default TRUE.

Value

Numeric vector. Nutrient harvest index (proportion, 0 to 1).

Details

Formula: $$HI = \frac{Economic Yield}{Biological Yield}$$

Examples

nutrient_harvest_index(grain_nutrient_uptake = 75,
                       total_nutrient_uptake = 100)
#> NHI computed.
#> [1] 0.75