Humification and Humic Acid Composition of Suspended Soil in Oligotrophous Environments in South Vietnam

Table 1

General characteristics of soils.

Sample	pH in water	pH in salt	Skeletol fraction (%)	Basal respiration (mgCO2/g soil in h)	Carbon (%)	Nitrogen (%)	C/N
1	6.33	5.16	0.08	434.61	4.00	0.23	17.39
2	5.47	3.55	8.7	779.43	44.38	1.85	23.98
3	5.48	3.69	18	352.00	41.45	1.34	30.93