Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 401
Soluble Magnesium 105
Soluble Potassium 55
Soluble Phosphorus 0.9
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 2.0
**Rayment & Lyons 2011 - 9B2 (Colwell) 18
**Inhouse S3A (Bray 2) 12
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 10.3
Ammonium Nitrogen 28.4
Sulphur mg/kg S 62.0
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 5.41
Electrical Conductivity dS/m 0.073
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 6.8
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 3.14
kg/ha 1410
mg/kg 629
Exchangeable Magnesium cmol+/kg 1.18
kg/ha 322
mg/kg 144
Exchangeable Potassium cmol+/kg 0.29
kg/ha 258
mg/kg 115
Exchangeable Sodium cmol+/kg 0.18
kg/ha 95
mg/kg 42
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.23
kg/ha 47
mg/kg 21
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.20
kg/ha 5
mg/kg 2
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 59.9
Magnesium 22.6
Potassium 5.6
Sodium - ESP 3.5
Aluminium 4.5
Hydrogen 3.9
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 0.8
Manganese 51
Iron 65
Copper 0.4
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.23
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 49
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 3.91
Total Nitrogen 0.31
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 12.7
Basic Texture **Inhouse S65 Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 47
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 3,796
Total Magnesium 7,386
Total Potassium 268
Total Sodium 523
Total Sulfur 696
Total Phosphorus 1,301
Total Zinc 120
Total Manganese 1,164
Total Iron 69,762
Total Copper 44.2
Total Boron 3
Total Silicon 958
Total Aluminium 66,008
Total Molybdenum 1.0
Total Cobalt 30
Total Selenium 1.5