Influence of seepweed herb Suaeda heteroptera on physical and chemical properties in soil contaminated by oil
HE Jie1，2，3，JI Zhi-xin3，4，WANG Qing-zhi1，3，LIU Chang-fa2，ZHOU Yi-bing3，4
1.College of Marine Science and Environment，Dalian Ocean University，Dalian 116023，China；2.Key Laboratory of Nearshore Marine Environmental Science and Technology in Liaoning Province，Dalian Ocean University，Dalian 116023，China；3.Key Laboratory of Marine Bio-resources Restoration and Habitat Reparation in Liaoning Province，Dalian Ocean University，Dalian 116023，China；4.College of Fisheries and Life Science，Dalian Ocean University，Dalian 116023，China
Abstract: Seepweed herb Suaeda heteroptera as a plant in north China was cultivated in soil containing crude petroleum at a rate of 0，4000，8000，12 000，16 000，and 20 000 mg/kg in a pot，and the soil physical and chemical properties including pH，contents of total organic carbon（TOC），total nitrogen，and total phosphorus and dehydrogenase activity were determined 30，60，90，120，150 and 180 days after cultivation to understand the roles of seepweed herb in bioremediation of the soil contaminated by the different concentrations of crude oil.The results showed that the cultivation of seepweed herb led to lower pH，near to neutral，in the slightly alkaline soil，and resulted in promotion of the TOC to a favorable level.In addition，there were significantly higher dehydrogenase activity and total nitrogen content in soil in the experimental groups than those in the control group.Even in the soil in low crude petroleum concentration group，the total phosphorus content was in a normal level，indicating that the seepweed herb has good bioremediation in the soil contaminated lightly by crude oil.
何洁, 吉志新, 王庆芝, 刘长发, 周一兵. 翅碱蓬栽培对原油污染土壤理化性质的影响[J]. 大连海洋大学学报, 2016, 31(1): 75-79.
HE Jie, JI Zhi-xin, WANG Qing-zhi, LIU Chang-fa, ZHOU Yi-bing, . Influence of seepweed herb Suaeda heteroptera on physical and chemical properties in soil contaminated by oil. Journal of Dalian Ocean University, 2016, 31(1): 75-79.
2016, Vol. 31 
