Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 971
Soluble Magnesium 307
Soluble Potassium 118
Soluble Phosphorus 1.6
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 12.0
**Rayment & Lyons 2011 - 9B2 (Colwell) 33
**Inhouse S3A (Bray 2) 72
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 31.9
Ammonium Nitrogen 81.6
Sulphur mg/kg S 11.0
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 6.10
Electrical Conductivity dS/m 0.101
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 3.6
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 8.99
kg/ha 4034
mg/kg 1801
Exchangeable Magnesium cmol+/kg 4.17
kg/ha 1135
mg/kg 507
Exchangeable Potassium cmol+/kg 0.81
kg/ha 713
mg/kg 318
Exchangeable Sodium cmol+/kg 0.19
kg/ha 96
mg/kg 43
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.03
kg/ha 6
mg/kg 3
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.03
kg/ha 1
mg/kg 0
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 63.2
Magnesium 29.3
Potassium 5.7
Sodium - ESP 1.3
Aluminium 0.2
Hydrogen 0.2
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.7
Manganese 85
Iron 46
Copper 1.2
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.30
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 50
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 2.06
Total Nitrogen 0.19
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 11.0
Basic Texture **Inhouse S65 Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 65
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 8,992
Total Magnesium 8,208
Total Potassium 544
Total Sodium 990
Total Sulfur 241
Total Phosphorus 1,468
Total Zinc 106
Total Manganese 1,497
Total Iron 69,206
Total Copper 53.0
Total Boron <2
Total Silicon 911
Total Aluminium 55,861
Total Molybdenum 0.7
Total Cobalt 32
Total Selenium 0.9