Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 979
Soluble Magnesium 344
Soluble Potassium 129
Soluble Phosphorus 2.4
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 24.4
**Rayment & Lyons 2011 - 9B2 (Colwell) 78
**Inhouse S3A (Bray 2) 129
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 1.9
Ammonium Nitrogen 47.9
Sulphur mg/kg S 25.4
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 6.02
Electrical Conductivity dS/m 0.114
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 4.6
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 9.74
kg/ha 4374
mg/kg 1953
Exchangeable Magnesium cmol+/kg 4.42
kg/ha 1202
mg/kg 537
Exchangeable Potassium cmol+/kg 0.77
kg/ha 678
mg/kg 303
Exchangeable Sodium cmol+/kg 0.20
kg/ha 102
mg/kg 45
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.06
kg/ha 12
mg/kg 5
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.64
kg/ha 14
mg/kg 6
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 61.6
Magnesium 27.9
Potassium 4.9
Sodium - ESP 1.2
Aluminium 0.4
Hydrogen 4.0
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.7
Manganese 140
Iron 73
Copper 1.6
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.30
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 48
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 2.65
Total Nitrogen 0.27
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 9.7
Basic Texture **Inhouse S65 Clay Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 73
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 9,009
Total Magnesium 8,217
Total Potassium 541
Total Sodium 837
Total Sulfur 317
Total Phosphorus 1,491
Total Zinc 128
Total Manganese 1,592
Total Iron 66,962
Total Copper 57.8
Total Boron <2
Total Silicon 1,037
Total Aluminium 50,443
Total Molybdenum 0.7
Total Cobalt 34
Total Selenium 1.1