Accumulation of oxytetracycline and norfloxacin from saline soil by soybeans

The Science of the Total Environment
M Boonsaner, D W Hawker

Abstract

Soil of former shrimp aquaculture facilities in Thailand may be contaminated by antibiotics (e.g. oxytetracycline and norfloxacin) and have elevated salinity. Therefore, reuse of this land can be problematic. The utility of soybean (Glycine max (L.) Merr.) for phytoremediation was investigated. The rate of germination and seedling emergence in prepared contaminated soil (conductivity 17.7 dS m(-1) from adding 70 mg sodium chloride g(-1) dry weight, 105 mg kg(-1) dry weight oxytetracycline and 55 mg kg(-1) dry weight norfloxacin) in sunlight was approximately 80% that of uncontaminated soil. This reduction was largely due to the high salinity. The antibiotics of interest degraded relatively rapidly in soil (half-life <10h for both) but loss was slower in deionised water. Accumulation of the antibiotics from deionised water by soybean resulted in little effect on growth rate and maximum levels in plants were observed after two days exposure, followed by declining concentrations. For soybean plants grown in saline soil, 90% removal of NaCl from soil adjacent to plant roots was observed, most within two days. Wilting and defoliation occurred, but plants recovered after 10 days and maximum salt levels in plants exceeded 20,000 mg g(...Continue Reading

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Citations

Feb 1, 2014·Environmental Science and Pollution Research International·Pedro N CarvalhoHans Brix
May 10, 2012·International Journal of Phytoremediation·Lucia MicheliniRossella Ghisi
Mar 16, 2013·International Journal of Phytoremediation·Thuy Thi Thanh HoangQuoc Phu Dao
Mar 16, 2013·International Journal of Phytoremediation·Rupali DattaDibyendu Sarkar
Nov 12, 2010·Bulletin of Environmental Contamination and Toxicology·Roger A CroppMaliwan Boonsaner
Nov 26, 2011·Expert Review of Clinical Pharmacology·Christian G Daughton, Ilene S Ruhoy
Dec 1, 2015·Environmental Science & Technology·Elizabeth L MillerJoel A Pedersen
Dec 16, 2011·Ecotoxicology and Environmental Safety·M Boonsaner, D W Hawker
Mar 13, 2016·Journal of Pharmaceutical and Biomedical Analysis·Alan PuckowskiPiotr Stepnowski
Dec 24, 2015·International Journal of Phytoremediation·Sonal Gahlawat, Pammi Gauba
Jan 13, 2015·International Journal of Phytoremediation·Xuewen LiYunfeng Xie
Nov 16, 2013·Journal of Hazardous Materials·Darryl W HawkerMaliwan Boonsaner
Jan 25, 2017·Environmental Science and Pollution Research International·Dafang YanYanyu Bao
Jun 19, 2012·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Nopawan RatasukDarryl W Hawker
Mar 2, 2012·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Maliwan Boonsaner, Darryl W Hawker
Aug 28, 2019·Environmental Technology·Wenlong Bi, Wenbo Dong

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