Effects of Aged Oil Sludge on Soil Physicochemical Properties and Fungal Diversity Revealed by High-Throughput Sequencing Analysis

Table 1

Physicochemical properties of aged oil sludge-contaminated soil.

Sample	pH	Salinity (%)	MC^a (%)	TOC^b (%)	HMs^c (mg∙kg^−1)			TPHs^d (mg∙kg^−1)
					Cu	Zn	Cr
S1	8.44	0.27	21.05	0.41	76.60	131.63	74.55	15.2
S2	8.56	0.36	22.55	0.35	47.93	93.81	111.46	13.6
S3	8.11	1.45	13.95	0.22	12.20	15.68	34.07	<5

^aMC: moisture content; ^bTOC: total organic carbon; ^cHMs: heavy metals; ^dTPHs: total petroleum hydrocarbons.