Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 100
Soluble Magnesium 31
Soluble Potassium 29
Soluble Phosphorus 1.6
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 15.8
**Rayment & Lyons 2011 - 9B2 (Colwell) 60
**Inhouse S3A (Bray 2) 42
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 2.5
Ammonium Nitrogen 37.9
Sulphur mg/kg S 145.6
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 4.68
Electrical Conductivity dS/m 0.127
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 6.9
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 0.77
kg/ha 346
mg/kg 154
Exchangeable Magnesium cmol+/kg 0.25
kg/ha 68
mg/kg 30
Exchangeable Potassium cmol+/kg 0.09
kg/ha 76
mg/kg 34
Exchangeable Sodium cmol+/kg 0.02
kg/ha 11
mg/kg 5
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.90
kg/ha 182
mg/kg 81
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 1.34
kg/ha 30
mg/kg 13
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 22.8
Magnesium 7.4
Potassium 2.6
Sodium - ESP 0.6
Aluminium 26.8
Hydrogen 39.8
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.2
Manganese 88
Iron 132
Copper 2.4
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.44
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 20
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 3.93
Total Nitrogen 0.29
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 13.5
Basic Texture **Inhouse S65 Clay Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 81
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 386
Total Magnesium 1,778
Total Potassium <50
Total Sodium <50
Total Sulfur 719
Total Phosphorus 1,434
Total Zinc 103
Total Manganese 1,211
Total Iron 119,987
Total Copper 70.6
Total Boron <2
Total Silicon 658
Total Aluminium 126,089
Total Molybdenum 2.1
Total Cobalt 24
Total Selenium 1.2