Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 952
Soluble Magnesium 289
Soluble Potassium 62
Soluble Phosphorus 1.3
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 13.9
**Rayment & Lyons 2011 - 9B2 (Colwell) 36
**Inhouse S3A (Bray 2) 79
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 32.8
Ammonium Nitrogen 109.8
Sulphur mg/kg S 7.9
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 6.08
Electrical Conductivity dS/m 0.100
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 3.3
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 9.00
kg/ha 4041
mg/kg 1804
Exchangeable Magnesium cmol+/kg 4.01
kg/ha 1091
mg/kg 487
Exchangeable Potassium cmol+/kg 0.46
kg/ha 404
mg/kg 180
Exchangeable Sodium cmol+/kg 0.21
kg/ha 109
mg/kg 49
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.03
kg/ha 6
mg/kg 3
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.04
kg/ha 1
mg/kg 0
Effective Cation Exchange Capacity (ECEC) cmol+/kg **Calculation: Sum of Ca,Mg,K,Na,Al,H (cmol+/kg)
Calcium % **Base Saturation Calculations - Cation cmol+/kg / ECEC x 100 65.5
Magnesium 29.1
Potassium 3.4
Sodium - ESP 1.5
Aluminium 0.2
Hydrogen 0.3
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.3
Manganese 62
Iron 43
Copper 1.2
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.22
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 43
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 1.89
Total Nitrogen 0.20
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 9.7
Basic Texture **Inhouse S65 Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 64
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 8,679
Total Magnesium 8,736
Total Potassium 380
Total Sodium 1,012
Total Sulfur 226
Total Phosphorus 1,444
Total Zinc 105
Total Manganese 1,434
Total Iron 67,886
Total Copper 54.1
Total Boron <2
Total Silicon 1,034
Total Aluminium 55,153
Total Molybdenum 0.7
Total Cobalt 33
Total Selenium 1.0