Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 1062
Soluble Magnesium 381
Soluble Potassium 101
Soluble Phosphorus 1.6
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 10.3
**Rayment & Lyons 2011 - 9B2 (Colwell) 37
**Inhouse S3A (Bray 2) 63
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 34.5
Ammonium Nitrogen 79.7
Sulphur mg/kg S 9.5
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 6.09
Electrical Conductivity dS/m 0.113
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 3.9
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 10.04
kg/ha 4509
mg/kg 2013
Exchangeable Magnesium cmol+/kg 5.32
kg/ha 1448
mg/kg 647
Exchangeable Potassium cmol+/kg 0.73
kg/ha 638
mg/kg 285
Exchangeable Sodium cmol+/kg 0.20
kg/ha 103
mg/kg 46
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) 0.07
kg/ha 1
mg/kg 1
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 61.3
Magnesium 32.5
Potassium 4.4
Sodium - ESP 1.2
Aluminium 0.2
Hydrogen 0.4
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.6
Manganese 93
Iron 55
Copper 1.4
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.22
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 45
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 2.25
Total Nitrogen 0.23
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 9.9
Basic Texture **Inhouse S65 Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 72
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 8,481
Total Magnesium 7,700
Total Potassium 527
Total Sodium 955
Total Sulfur 257
Total Phosphorus 1,369
Total Zinc 109
Total Manganese 1,488
Total Iron 73,087
Total Copper 53.6
Total Boron <2
Total Silicon 951
Total Aluminium 59,443
Total Molybdenum 0.7
Total Cobalt 33
Total Selenium 1.1