Calculate the potassium availability index in Germany

This function calculates the potassium availability.

Usage

osi_c_potassium_de(
  B_LU,
  A_C_OF,
  A_CLAY_MI,
  A_SAND_MI,
  A_K_CAL,
  unitcheck = TRUE
)

Arguments

B_LU

(numeric) The crop code

A_C_OF

(numeric) The carbon content of the soil layer (g C/ kg)

A_CLAY_MI

(numeric) The clay content of the soil (%)

A_SAND_MI

(numeric) The sand content of the soil (%)

A_K_CAL

(numeric) The potassium content extracted with CAL (mg K / kg)

unitcheck

(character) Option to switch off unit checks (TRUE or FALSE)

Value

The potassium availability index in Germany derived from extractable soil K fractions. A numeric value.