Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 930
Soluble Magnesium 355
Soluble Potassium 64
Soluble Phosphorus 1.1
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 17.2
**Rayment & Lyons 2011 - 9B2 (Colwell) 78
**Inhouse S3A (Bray 2) 94
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 8.7
Ammonium Nitrogen 30.7
Sulphur mg/kg S 14.7
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 5.99
Electrical Conductivity dS/m 0.094
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 2.8
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 8.58
kg/ha 3853
mg/kg 1720
Exchangeable Magnesium cmol+/kg 4.82
kg/ha 1313
mg/kg 586
Exchangeable Potassium cmol+/kg 0.47
kg/ha 414
mg/kg 185
Exchangeable Sodium cmol+/kg 0.26
kg/ha 132
mg/kg 59
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.07
kg/ha 15
mg/kg 7
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.23
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 59.5
Magnesium 33.4
Potassium 3.3
Sodium - ESP 1.8
Aluminium 0.5
Hydrogen 1.6
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.8
Manganese 95
Iron 69
Copper 1.4
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.29
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 51
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 1.58
Total Nitrogen 0.18
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 9.0
Basic Texture **Inhouse S65 Clay Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 60
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 8,688
Total Magnesium 7,424
Total Potassium 421
Total Sodium 997
Total Sulfur 258
Total Phosphorus 1,592
Total Zinc 116
Total Manganese 1,522
Total Iron 77,199
Total Copper 54.7
Total Boron 3
Total Silicon 883
Total Aluminium 58,160
Total Molybdenum 0.8
Total Cobalt 30
Total Selenium 0.9