Estimate soil extractable zinc (-)

Usage

osi_conv_zinc(
  element,
  A_SOM_LOI,
  A_PH_CC,
  A_ZN_RT,
  A_ZN_AAA = NA_real_,
  A_ZN_CC = NA_real_,
  A_ZN_CO = NA_real_,
  A_ZN_DTPA = NA_real_,
  A_ZN_EDTA = NA_real_,
  A_ZN_M3 = NA_real_,
  A_ZN_WA = NA_real_
)

Arguments

element: (character) the method requested to be calculated
A_SOM_LOI: (numeric) The percentage organic matter in the soil (%)
A_PH_CC: (numeric) The acidity of the soil, measured in 0.01M CaCl2 (-)
A_ZN_RT: (numeric) The total Zn-content of the soil via XRF or Dumas (mg Zn/kg)
A_ZN_AAA: (numeric) The exchangeable Zn-content of the soil measured via acid amonium acetate (mg Zn/kg)
A_ZN_CC: (numeric) The exchangeable Zn-content of the soil measured via 0.01M CaCl2 (ug Zn/kg)
A_ZN_CO: (numeric) The exchangeable Zn-content of the soil measured via Cohex extraction (mg Zn/kg)
A_ZN_DTPA: (numeric) The exchangeable Zn-content of the soil measured via DTPA (mg Zn/kg)
A_ZN_EDTA: (numeric) The exchangeable Zn-content of the soil measured via EDTA (mg Zn/kg)
A_ZN_M3: (numeric) The exchangeable Zn-content of the soil measured via Mehlich-III (mg Zn/kg)
A_ZN_WA: (numeric) The exchangeable Zn-content of the soil measured via water (mg Zn/kg)