Characteristic Soil Wood Shavings Urea Used cooking oil
Density (Kg/L) 1.4 0.2   ~ 0.93
Moisture content (%) 20 8.0   0.0
Total solids (mg/g DM)        
Volatile solids* 264 997.4   999.45
Ash 736 3.0   0.55
Nitrogen (mg/g DM)        
Total kjeldahl nitrogen 2.0 1.0 466.6 0.22
Ammonium nitrogen 0.1 0.2   0.00
Carbon (mg/g DM)        
Total 100.0 490.0 200.0 820
Organic 55.0 390.0 200.0 820
Elemental composition (mg/g DM)        
B     0.2  
Ca 0.1 0.8   0.06
Cu     0.7  
Na 0.2 0.0   0.30
Fe 0.9 0.0 1.2 0.14
Mg 0.7 0.1 0.5 0.01
Zn 0.2 0.0 0.3 0.00
K 0.2 0.6   0.01
Cl 0.1 0.0   0.74
P 0.9 0.0   0.01
S 2.9 0.9   2.32
Ohers** 724.8 0.6   0.16
C:N 50:1 499:1 1:2.3 3727:1
*Volatile solids are the organic matter, largely carbon, oxygen, hydrogen, nitrogen and sulphur
**Others include other elements that were not identified, mostly silica in the case of soil
Table 4: Characteristics of soil, wood shavings, urea and used cooking oil.