This function calculates the phosphorus excess
Usage
osi_nut_p_ch(A_P_AAA, B_LU = NA_character_)
Arguments
- A_P_AAA
(numeric) The exchangeable P-content of the soil measured via acid ammonium acetate extraction (mg P/ kg)
- B_LU
(character) The crop code
Value
The phosphorus excess index in Switzerland estimated from extractable phosphorus. A numeric value.
Examples
osi_nut_p_ch(A_P_AAA = 50)
#> [1] 0.8736304