Calculate the potassium excess index in Hungary

This function calculates the potassium excess.

Usage

osi_nut_k_hu(A_SOM_LOI, A_CLAY_MI, A_CACO3_IF, A_K_AL, B_LU = NA_character_)

Arguments

A_SOM_LOI

(numeric) The percentage organic matter in the soil (%)

A_CLAY_MI

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

A_CACO3_IF

(numeric) the percentage of CaCO3 (%)

A_K_AL

(numeric) The exchangeable K-content of the soil measured via Ammonium Lactate extracton (mg K/ kg)

B_LU

(character) The crop code

Value

The potassium excess index in Hungary estimated from extractable potassium. A numeric value.

Examples

osi_nut_k_hu(A_K_AL = 45,A_CACO3_IF = 5,A_CLAY_MI = 5,A_SOM_LOI = 5)
#> [1] 0.9695123