Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 50
Soluble Magnesium 21
Soluble Potassium 33
Soluble Phosphorus 1.5
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 12.8
**Rayment & Lyons 2011 - 9B2 (Colwell) 46
**Inhouse S3A (Bray 2) 36
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 2.2
Ammonium Nitrogen 35.5
Sulphur mg/kg S 148.4
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 4.61
Electrical Conductivity dS/m 0.120
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 7.0
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 0.42
kg/ha 187
mg/kg 84
Exchangeable Magnesium cmol+/kg 0.16
kg/ha 44
mg/kg 20
Exchangeable Potassium cmol+/kg 0.10
kg/ha 84
mg/kg 37
Exchangeable Sodium cmol+/kg 0.03
kg/ha 18
mg/kg 8
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 1.19
kg/ha 241
mg/kg 107
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 1.77
kg/ha 40
mg/kg 18
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 11.4
Magnesium 4.4
Potassium 2.6
Sodium - ESP 0.9
Aluminium 32.5
Hydrogen 48.1
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.6
Manganese 114
Iron 116
Copper 2.2
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.45
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 20
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 3.99
Total Nitrogen 0.30
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 13.1
Basic Texture **Inhouse S65 Clay Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 77
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 241
Total Magnesium 1,776
Total Potassium <50
Total Sodium <50
Total Sulfur 752
Total Phosphorus 1,345
Total Zinc 102
Total Manganese 1,153
Total Iron 120,882
Total Copper 75.1
Total Boron <2
Total Silicon 577
Total Aluminium 127,358
Total Molybdenum 2.1
Total Cobalt 23
Total Selenium 1.1