Soil Microbial Community Structure and Diversity around the Aging Oil Sludge in Yellow River Delta as Determined by High-Throughput Sequencing

Table 1

The soil physical and chemical properties.

Sample ID	pH	Moi (%)	TOC (%)	Cu (mg/kg)	Zn (mg/kg)	Cr (mg/kg)	TPH (mg/kg)
Number 1	8.55	26.6	0.05	47.93	93.81	111.46	15.2
Number 2	8.44	21.1	0.41	76.60	131.63	74.55	<5
Number 3	8.11	14.0	0.22	12.20	15.68	34.07	<5