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The total petroleum hydrocarbon (TPH) was observed after 120 days phytoremediation at five depths with different petroleum contamination grads, namely 0∼−20cm, −20∼−40cm, −40∼−60cm, −60∼−80cm, and −80∼−90cm. The change of TPH with increasing soil depth for different agrotype was analyzed. As demonstrated in this work, the TPH for three kinds of agrotype was reduced gradually with increasing depth...
The impact of petroleum on soil catalase activity was presented. The loess in Gaoling, silt in campus and loess in Northern Shaanxi were used in the experiment. The Trioflium repens was chosen as the remediation plant. The soil samples were amended with petroleum in the concentration range from 0 to 10000mg/kg, whereas the samples without the plants as controls. Catalase activity was assayed by one...
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