metadata:
  name: "MAFA 20 - Sample 3"
  date_sampled: "2025-06-15"
  source_document: "MAFA 20.pdf"
  notes: "Grapes crop well. Sulfur reported as elemental S, not SO4."

properties:
  pH:
    value: 7.40
  TDS:
    value: 1569
    unit: "mg/L"
  conductivity:
    value: 2.60
    unit: "dS/m"
  SAR:
    value: 6
    unit: "Calculated"

ions:
  Ca:
    value: 113
    unit: "mg/L"
  Mg:
    value: 57
    unit: "mg/L"
  K:
    value: 7.83
    unit: "mg/L"
  Na:
    value: 331
    unit: "mg/L"
  HCO3:
    value: 674
    unit: "mg/L"
  Cl:
    value: 652
    unit: "mg/L"
  NO3:
    value: "<10"
    unit: "mg/L"
  B:
    value: 0.19
    unit: "mg/L"
  Mo:
    value: 0.001
    unit: "mg/L"
  S:
    value: 60
    unit: "mg/L"