Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 995
Soluble Magnesium 337
Soluble Potassium 84
Soluble Phosphorus 0.8
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 7.2
**Rayment & Lyons 2011 - 9B2 (Colwell) 55
**Inhouse S3A (Bray 2) 96
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 7.9
Ammonium Nitrogen 29.3
Sulphur mg/kg S 10.6
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 6.26
Electrical Conductivity dS/m 0.088
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 3.1
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 9.28
kg/ha 4167
mg/kg 1860
Exchangeable Magnesium cmol+/kg 4.84
kg/ha 1318
mg/kg 588
Exchangeable Potassium cmol+/kg 0.46
kg/ha 405
mg/kg 181
Exchangeable Sodium cmol+/kg 0.29
kg/ha 147
mg/kg 66
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 0.03
kg/ha 7
mg/kg 3
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 0.16
kg/ha 4
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 61.6
Magnesium 32.1
Potassium 3.1
Sodium - ESP 1.9
Aluminium 0.2
Hydrogen 1.0
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 2.0
Manganese 87
Iron 60
Copper 1.6
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.18
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 41
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 1.75
Total Nitrogen 0.18
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 9.5
Basic Texture **Inhouse S65 Clay Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 56
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 8,201
Total Magnesium 5,938
Total Potassium 362
Total Sodium 652
Total Sulfur 235
Total Phosphorus 1,205
Total Zinc 128
Total Manganese 1,596
Total Iron 65,072
Total Copper 67.0
Total Boron <2
Total Silicon 612
Total Aluminium 60,734
Total Molybdenum 0.8
Total Cobalt 37
Total Selenium 0.8