Physical and Mechanical Properties of Turfy Soils under Confining and Axial Pressure Increases Stress Paths in Jilin Province, Northeast China

Table 2

The results of ignition loss.

Soil samples	(%)	(g)	(g)	(g)	(g/cm^3)	(%)
1#	74.23	1.16	0.30	0.50	0.71	77.48
2#	64.55	1.04	0.37	0.32	0.70	69.19
3#	62.03	0.83	0.31	0.31	0.70	63.97
4#	38.96	1.06	0.65	0.19	0.65	38.63

S is the total ignition loss of turfy soil (organic matter content of turfy soil); m₁ is the weight of turfy soil before test; m₂ is the weight of turfy soil after test; is the ignition loss of plant residues; is the dry density of plant residues; is the ignition loss of humus parts.