Physical Properties
- ◉ Ash (dry basis, %) - 3 - 6
- ◉ Moisture Below 20%
- ◉ Water Holding capacity (of dry weight) - 8 - 9 times
- ◉ Air filled porosity (V/V, %) - 10 - 12
- ◉ Total pore space (V/V, %) - 94 - 96 Appearance - Earthen granular and some short fibres
- ◉ Colour - Light to dark brown
Chemical Properties
- ◉ pH - 5.4 - 6.8
- ◉ Ash (dry basis, %) - 3 - 6
- ◉ Electrical Conductivity Below 0.500 mS/cm (1:1.5 Volume extraction method
- ◉ Cationic exchange capacity (meq/1 OOg) - 60 - 130 Total Organic matter (W/W, dry basis, %) - 94 - 98
- ◉ Organic carbon (W/W, dry basis, %) - 45 - 50
- ◉ Lignin (W/W, dry basis, %) - 65 - 70
- ◉ Cellulose (W/W, dry basis %) - 20 - 30
- ◉ Carbon : Nitrogen ratio - 80 : 1