This function calculates the potassium excess.
Usage
osi_nut_k_se(B_LU, A_K_AL)
Arguments
- B_LU
(numeric) The crop code
- A_K_AL
(numeric) The K-content of the soil extracted with ammonium lactate (mg K / kg)
Value
The potassium excess index in Sweden derived from extractable soil K fractions. A numeric value.
Examples
osi_nut_k_se(B_LU = 265,A_K_AL = 5)
#> [1] 0.9523968
osi_nut_k_se(B_LU = c(265,1019),A_K_AL = c(3.5,5.5))
#> [1] 0.9532321 0.9521152