Calculate the Zn availability index for agricultural soils in France

This function calculates the Zn availability of a soil, using the agronomic index used in France.

Usage

osi_c_zinc_fr(B_LU, A_PH_WA, A_ZN_EDTA)

Arguments

B_LU

(character) crop type

A_PH_WA

(numeric) pH measured in water (-)

A_ZN_EDTA

(numeric) Zn content measured in EDTA (mg / kg)

Value

The zinc availability index in France estimated from extractable zinc and pH measured in water, a numeric value.

Examples

osi_c_zinc_fr(B_LU = 'SOJ', A_ZN_EDTA = 45, A_PH_WA = 6.5)
#> [1] 1