Soil Potassium
General
mg/kg
About this Indicator
Available potassium content in topsoil (0–10 cm).
Benchmarks (92)
AUS-TSR-AGR-SOK
High
98–156
mg/kg
Australia
Tropical & Subtropical Rainforests
Agricultural Crop Production
AUS-TSR-AGR-SOK
Moderate
78
mg/kg
Australia
Tropical & Subtropical Rainforests
Agricultural Crop Production
AUS-TSR-AGR-SOK
Moderate
156
mg/kg
Australia
Tropical & Subtropical Rainforests
Agricultural Crop Production
AUS-ASC-LVG-SOK
Low
80
mg/kg
Australia
Alpine and Subalpine Complex
Livestock Grazing & Pasture
AUS-ASC-LVG-SOK
Low
121–200
mg/kg
Australia
Alpine and Subalpine Complex
Livestock Grazing & Pasture
AUS-TGP-CON-SOK
Moderate
121–200
mg/kg
Australia
Temperate Grassy Woodlands & Plains
Conservation / Protected Natural Areas
AUS-TGP-CON-SOK
Moderate
161–250
mg/kg
Australia
Temperate Grassy Woodlands & Plains
Conservation / Protected Natural Areas
AUS-TMI-FOR-SOK
Moderate
100–150
mg/kg
Australia
Tropical & Subtropical Maritime Islands
Production Forestry
AUS-TMI-FOR-SOK
Moderate
50
mg/kg
Australia
Tropical & Subtropical Maritime Islands
Production Forestry
AUS-TMI-FOR-SOK
Moderate
250
mg/kg
Australia
Tropical & Subtropical Maritime Islands
Production Forestry
AUS-TSW-CON-SOK
Moderate
120–200
mg/kg
Australia
Temperate Semi-Arid Shrublands & Open Woodlands
Conservation / Protected Natural Areas
AUS-TSW-LVG-SOK
High
90
mg/kg
Australia
Temperate Semi-Arid Shrublands & Open Woodlands
Livestock Grazing & Pasture
AUS-TSW-LVG-SOK
High
100
mg/kg
Australia
Temperate Semi-Arid Shrublands & Open Woodlands
Livestock Grazing & Pasture
AUS-TSW-LVG-SOK
High
120
mg/kg
Australia
Temperate Semi-Arid Shrublands & Open Woodlands
Livestock Grazing & Pasture
AUS-TSW-LVG-SOK
High
250
mg/kg
Australia
Temperate Semi-Arid Shrublands & Open Woodlands
Livestock Grazing & Pasture
AUS-TMS-AGR-SOK
Moderate
40–50
mg/kg
Australia
Tropical Monsoonal Savannas
Agricultural Crop Production
AUS-TMS-AGR-SOK
Low
Australia
Tropical Monsoonal Savannas
Agricultural Crop Production
AUS-TDG-AGR-SOK
Moderate
150–250
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Agricultural Crop Production
AUS-TDG-AGR-SOK
Moderate
30–80
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Agricultural Crop Production
AUS-TDG-AGR-SOK
Moderate
100–250
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Agricultural Crop Production
AUS-TDG-AGR-SOK
Moderate
Australia
Temperate Dry Woodlands & Native Grasslands
Agricultural Crop Production
AUS-AMR-CON-SOK
Moderate
160–300
mg/kg
Australia
Arid Mountain Ranges & Uplands
Conservation / Protected Natural Areas
AUS-AMR-CON-SOK
Moderate
160–300
mg/kg
Australia
Arid Mountain Ranges & Uplands
Conservation / Protected Natural Areas
AUS-AMR-CON-SOK
Moderate
100–200
mg/kg
Australia
Arid Mountain Ranges & Uplands
Conservation / Protected Natural Areas
AUS-AMR-CON-SOK
Moderate
100–200
mg/kg
Australia
Arid Mountain Ranges & Uplands
Conservation / Protected Natural Areas
AUS-AIF-FOR-SOK
Moderate
500
mg/kg
Australia
Arid Inland Floodplains & Ephemeral River Systems
Production Forestry
AUS-AIF-FOR-SOK
Moderate
150–210
mg/kg
Australia
Arid Inland Floodplains & Ephemeral River Systems
Production Forestry
AUS-AIF-FOR-SOK
Moderate
100–150
mg/kg
Australia
Arid Inland Floodplains & Ephemeral River Systems
Production Forestry
AUS-ASC-FOR-SOK
Moderate
700
mg/kg
Australia
Alpine and Subalpine Complex
Production Forestry
AUS-TSR-CON-SOK
High
300
mg/kg
Australia
Tropical & Subtropical Rainforests
Conservation / Protected Natural Areas
AUS-TSR-CON-SOK
Moderate
250
mg/kg
Australia
Tropical & Subtropical Rainforests
Conservation / Protected Natural Areas
AUS-TSR-CON-SOK
Moderate
100
mg/kg
Australia
Tropical & Subtropical Rainforests
Conservation / Protected Natural Areas
AUS-TSR-CON-SOK
Moderate
50
mg/kg
Australia
Tropical & Subtropical Rainforests
Conservation / Protected Natural Areas
AUS-TSR-CON-SOK
Moderate
120
mg/kg
Australia
Tropical & Subtropical Rainforests
Conservation / Protected Natural Areas
AUS-TSR-CON-SOK
Moderate
100–300
mg/kg
Australia
Tropical & Subtropical Rainforests
Conservation / Protected Natural Areas
AUS-TSW-AGR-SOK
Moderate
120
mg/kg
Australia
Temperate Semi-Arid Shrublands & Open Woodlands
Agricultural Crop Production
AUS-TGP-FOR-SOK
Moderate
101–300
mg/kg
Australia
Temperate Grassy Woodlands & Plains
Production Forestry
AUS-TGP-FOR-SOK
Moderate
50
mg/kg
Australia
Temperate Grassy Woodlands & Plains
Production Forestry
AUS-TGP-FOR-SOK
Moderate
80
mg/kg
Australia
Temperate Grassy Woodlands & Plains
Production Forestry
AUS-TGP-FOR-SOK
Moderate
110
mg/kg
Australia
Temperate Grassy Woodlands & Plains
Production Forestry
AUS-TGP-FOR-SOK
Moderate
120
mg/kg
Australia
Temperate Grassy Woodlands & Plains
Production Forestry
AUS-TDG-FOR-SOK
Moderate
74.1
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Production Forestry
AUS-TDG-FOR-SOK
Moderate
70–120
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Production Forestry
AUS-TDG-FOR-SOK
Moderate
120
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Production Forestry
AUS-TDG-FOR-SOK
Moderate
74.1
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Production Forestry
AUS-TDG-FOR-SOK
Moderate
50
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Production Forestry
AUS-TDG-FOR-SOK
Moderate
80
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Production Forestry
AUS-TDG-FOR-SOK
Moderate
120
mg/kg
Australia
Temperate Dry Woodlands & Native Grasslands
Production Forestry
AUS-ASC-CON-SOK
Low
152
mg/kg
Australia
Alpine and Subalpine Complex
Conservation / Protected Natural Areas
AUS-TMI-AGR-SOK
Moderate
220
mg/kg
Australia
Tropical & Subtropical Maritime Islands
Agricultural Crop Production
Properties
- Domain —
- Category Soil
- Unit mg/kg
- Direction Higher ↑
- Seasonal No
- Vegetation-specific No
Method Reference
Ammonium acetate or Mehlich-3 extraction