Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 951
Soluble Magnesium 317
Soluble Potassium 162
Soluble Phosphorus 3.8
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 15.5
**Rayment & Lyons 2011 - 9B2 (Colwell) 57
**Inhouse S3A (Bray 2) 76
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) <0.1
Ammonium Nitrogen 67.6
Sulphur mg/kg S 49.4
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 5.75
Electrical Conductivity dS/m 0.170
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 6.2
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 9.26
kg/ha 4156
mg/kg 1856
Exchangeable Magnesium cmol+/kg 3.80
kg/ha 1035
mg/kg 462
Exchangeable Potassium cmol+/kg 0.93
kg/ha 817
mg/kg 365
Exchangeable Sodium cmol+/kg 0.17
kg/ha 85
mg/kg 38
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.10
kg/ha 20
mg/kg 9
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.74
kg/ha 17
mg/kg 7
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 61.7
Magnesium 25.4
Potassium 6.2
Sodium - ESP 1.1
Aluminium 0.7
Hydrogen 4.9
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.6
Manganese 142
Iron 111
Copper 1.2
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.41
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 55
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 3.55
Total Nitrogen 0.37
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 9.5
Basic Texture **Inhouse S65 Clay Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 109
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 8,116
Total Magnesium 7,141
Total Potassium 683
Total Sodium 757
Total Sulfur 492
Total Phosphorus 1,446
Total Zinc 139
Total Manganese 1,544
Total Iron 63,834
Total Copper 60.6
Total Boron <2
Total Silicon 678
Total Aluminium 47,253
Total Molybdenum 0.7
Total Cobalt 39
Total Selenium 0.8