The results showed that the DNA sequence richness, diversity index and evenness increased in the soil contaminated by cadmium and phenanthrene alone or together within 15 and 30 days.

• 结果表明，培养15d和30d，镉-菲单一和复合污染均导致土壤微生物群落DNA序列的丰富度、均匀度和多样性指数增加。