Invasive plant-derived biochar inhibits sulfamethazine uptake by lettuce in soil

Anushka Upamali Rajapaksha, Meththika Vithanage, Jung Eun Lim, Mohamed Bedair M. Ahmed, Ming Zhang, Sang Soo Lee, Yong Sik Ok

Publikation: Bidrag til tidsskriftArtikelForskningpeer review

125 Citationer (Scopus)

Resumé

Veterinary antibiotics are frequently detected in soils posing potential contamination of food crops. Sulfamethazine (SMT) uptake was investigated by lettuce (Lactuca sativa L.) grown in the soils treated with/without biochar derived from an invasive plant, burcucumber (Sicyos angulatus L.) (BBC700). Soils were contaminated with SMT at 5 and 50mgkg-1, and treated with/without 5% BBC700 (ww-1). The lettuces were harvested after 5weeks of cultivation and were analyzed for SMT by a high performance liquid chromatography-tandem mass spectrometry after solid-phase extraction. With 5% BBC700, the uptake of SMT was reduced by 86% in the soil spiked with 5mgkg-1 SMT compared to the control whereas a 63% reduction was observed in the soil spiked with 50mgkg-1 SMT. Application of BBC700, into soils effectively reduced the SMT uptake by lettuce.

OriginalsprogEngelsk
Sider (fra-til)500-504
Antal sider5
TidsskriftChemosphere
Vol/bind111
DOI
StatusUdgivet - sep. 2014
Udgivet eksterntJa

Programområde

  • Programområde 2: Vandressourcer

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