Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 482
Soluble Magnesium 215
Soluble Potassium 175
Soluble Phosphorus 1.9
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 5.1
**Rayment & Lyons 2011 - 9B2 (Colwell) 39
**Inhouse S3A (Bray 2) 27
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 39.1
Ammonium Nitrogen 81.0
Sulphur mg/kg S 51.6
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 5.43
Electrical Conductivity dS/m 0.251
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 9.6
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 4.64
kg/ha 2082
mg/kg 929
Exchangeable Magnesium cmol+/kg 2.68
kg/ha 729
mg/kg 325
Exchangeable Potassium cmol+/kg 0.66
kg/ha 577
mg/kg 258
Exchangeable Sodium cmol+/kg 0.15
kg/ha 79
mg/kg 35
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.14
kg/ha 28
mg/kg 13
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.36
kg/ha 8
mg/kg 4
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 53.7
Magnesium 31.0
Potassium 7.6
Sodium - ESP 1.8
Aluminium 1.6
Hydrogen 4.2
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 6.8
Manganese 241
Iron 146
Copper 4.4
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.53
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 31
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 5.51
Total Nitrogen 0.54
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 10.3
Basic Texture **Inhouse S65 Clay Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 161
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 1,635
Total Magnesium 2,444
Total Potassium 380
Total Sodium 98
Total Sulfur 806
Total Phosphorus 1,209
Total Zinc 161
Total Manganese 2,662
Total Iron 93,584
Total Copper 108.6
Total Boron <2
Total Silicon 703
Total Aluminium 87,538
Total Molybdenum 1.5
Total Cobalt 67
Total Selenium 1.6