Calculate the Mg availability index for France

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

Usage

osi_c_magnesium_fr(
  B_LU,
  A_CLAY_MI,
  A_CEC_CO,
  A_CACO3_IF,
  A_MG_AAA,
  unitcheck = TRUE
)

Arguments

B_LU

(numeric) The crop code

A_CLAY_MI

(numeric) Soil clay content (%)

A_CEC_CO

(numeric) The cation exchange capacity of the soil in mmol/kg

A_CACO3_IF

(numeric) The CaCO3 content in the soil (%)

A_MG_AAA

(numeric) The extractable Mg content in the soil (mg/kg)

unitcheck

(character) Option to switch off unit checks (TRUE or FALSE)

Value

The magnesium availability index in France estimated from extractable magnesium. A numeric value.