Spectroscopic Characteristics of Dissolved Organic Matter in Afforestation Forest Soil of Miyun District, Beijing

Table 2

Basic physical properties of the soil samples.

Sample point	Clay (%)	Silt (%)	Sand (%)	Bulk density (g·cm^−3)
Y-1	0.21	7.15	91.23	1.57
Y-4	0.94	20.75	78.30	1.49
Y-10	0.82	23.24	75.94	1.45
Y-15	0.25	10.04	89.71	1.51
Y-20	1.14	24.97	71.89	1.51