Estimate soil extractable phosphorus (-)

Usage

osi_conv_phosphor(
  element,
  A_P_AL = NA_real_,
  A_P_CC = NA_real_,
  A_P_WA = NA_real_,
  A_P_OL = NA_real_,
  A_P_CAL = NA_real_,
  A_P_DL = NA_real_,
  A_P_AAA = NA_real_,
  A_P_AAA_EDTA = NA_real_,
  A_P_M3 = NA_real_,
  A_PH_CC = NA_real_
)

Arguments

element: (character) the method requested to be calculated
A_P_AL: (numeric) The P-content of the soil extracted with ammonium lactate
A_P_CC: (numeric) The P-content of the soil extracted with CaCl2
A_P_WA: (numeric) The P-content of the soil extracted with water
A_P_OL: (numeric) The P-content of the soil extracted with Olsen
A_P_CAL: (numeric) The P-content of the soil extracted with ammonium lactate(mg P2O5 / 100g)
A_P_DL: (numeric) The P-content of the soil extracted with double lactate (mg P / kg)
A_P_AAA: (numeric) The exchangeable P-content of the soil measured via acid ammonium acetate extraction
A_P_AAA_EDTA: (numeric) The exchangeable P-content of the soil measured via acid ammonium acetate+EDTA extraction
A_P_M3: (numeric) The P-content of the soil extracted with Mehlig 3
A_PH_CC: (numeric) The pH measured in cacl2

References

Steinfurth et al., (2021) Conversion equations between Olsen-P and other methods used to assess plant available soil phosphorus in Europe. A review