Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 210
Soluble Magnesium 86
Soluble Potassium 55
Soluble Phosphorus 1.6
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 16.2
**Rayment & Lyons 2011 - 9B2 (Colwell) 48
**Inhouse S3A (Bray 2) 35
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 15.0
Ammonium Nitrogen 37.7
Sulphur mg/kg S 66.6
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 4.93
Electrical Conductivity dS/m 0.125
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 6.7
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 1.64
kg/ha 737
mg/kg 329
Exchangeable Magnesium cmol+/kg 0.84
kg/ha 229
mg/kg 102
Exchangeable Potassium cmol+/kg 0.20
kg/ha 177
mg/kg 79
Exchangeable Sodium cmol+/kg 0.07
kg/ha 35
mg/kg 15
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.33
kg/ha 66
mg/kg 29
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.45
kg/ha 10
mg/kg 4
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 46.6
Magnesium 23.9
Potassium 5.7
Sodium - ESP 1.9
Aluminium 9.2
Hydrogen 12.6
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 3.1
Manganese 74
Iron 121
Copper 2.3
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.29
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 15
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 3.82
Total Nitrogen 0.26
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 14.7
Basic Texture **Inhouse S65 Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 80
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 617
Total Magnesium 1,773
Total Potassium 115
Total Sodium <50
Total Sulfur 691
Total Phosphorus 1,689
Total Zinc 85
Total Manganese 916
Total Iron 108,817
Total Copper 65.6
Total Boron <2
Total Silicon 414
Total Aluminium 96,427
Total Molybdenum 2.2
Total Cobalt 21
Total Selenium 1.5