This function calculates the phosphate availability.
Usage
osi_c_phosphor_it(B_LU, A_P_OL)
Arguments
- B_LU
(numeric) The crop code
- A_P_OL
(numeric) The P-content of the soil extracted with Olsen (mg/kg)
Value
The phosphate availability index in Italy derived from extractable soil P fractions. A numeric value.
Examples
osi_c_phosphor_it(B_LU = '265',A_P_OL = 5)
#> [1] 0.4747443
osi_c_phosphor_it(B_LU = c('265','1019'),A_P_OL = c(3.5,5.5))
#> [1] 0.2380736 0.5496788