Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 938
Soluble Magnesium 391
Soluble Potassium 56
Soluble Phosphorus 1.5
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 11.1
**Rayment & Lyons 2011 - 9B2 (Colwell) 46
**Inhouse S3A (Bray 2) 51
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 4.3
Ammonium Nitrogen 23.1
Sulphur mg/kg S 16.1
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 5.86
Electrical Conductivity dS/m 0.076
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 3.2
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 9.18
kg/ha 4119
mg/kg 1839
Exchangeable Magnesium cmol+/kg 5.57
kg/ha 1517
mg/kg 677
Exchangeable Potassium cmol+/kg 0.44
kg/ha 387
mg/kg 173
Exchangeable Sodium cmol+/kg 0.31
kg/ha 158
mg/kg 71
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.06
kg/ha 13
mg/kg 6
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.09
kg/ha 2
mg/kg 1
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 58.6
Magnesium 35.6
Potassium 2.8
Sodium - ESP 2.0
Aluminium 0.4
Hydrogen 0.6
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 2.2
Manganese 98
Iron 77
Copper 1.3
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.15
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 44
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 1.84
Total Nitrogen 0.18
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 10.5
Basic Texture **Inhouse S65 Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 48
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 6,122
Total Magnesium 7,029
Total Potassium 376
Total Sodium 683
Total Sulfur 295
Total Phosphorus 1,390
Total Zinc 115
Total Manganese 1,627
Total Iron 74,991
Total Copper 55.5
Total Boron <2
Total Silicon 475
Total Aluminium 60,034
Total Molybdenum 0.9
Total Cobalt 36
Total Selenium 1.3