This function calculates the B availability of a soil, using the agronomic index used in France
Usage
osi_c_boron_fr(B_LU, A_CLAY_MI, A_B_HW)
Arguments
- B_LU
(character) The crop type
- A_CLAY_MI
(numeric) The clay content (%)
- A_B_HW
(numeric) The plant available content of B in the soil (mg B per kg) extracted by hot water
Value
The boron availability index in France estimated from extractable boron, clay, A numeric value.