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Reduced bioaccumulation of PAHs by Lactuca satuva L. grown in contaminated soil amended with sewage sludge and sewage sludge derived biochar
2013
K̲h̲ān, Sardār | Wang, Ning | Reid, Brian J. | Freddo, Alessia | Cai, Chao
The influence of sewage sludge (SS) and sewage sludge biochar (SSBC) upon biomass yield and the bioaccumulation of PAHs into lettuce plants grown in contaminated soil (∑16PAH 20.2 ± 0.9 mg kg−1) is presented. All SSBC amendments (2, 5 and 10%) and the 2% SS amendment significantly (P < 0.01) increased lettuce biomass. Both SS and SSBC amendments significantly reduced (P < 0.01) the bioaccumulation of PAHs at all application levels; with reduction in ∑16PAH concentration ranging between 41.8 and 60.3% in SS amended treatments and between 58.0 and 63.2% in SSBC amended treatments, with respect to the control. Benefits in terms of biomass production and PAHs bioaccumulation reduction were greatest where SSBC was used as a soil amendment. At high application rates (10%) SSBC reduced bioaccumulation of PAHs by between 56% and 67%, while SS reduced bioaccumulation of PAHs by less than 44%.
Показать больше [+] Меньше [-][Plant uptake of PAH's and the analytical methods for detection]
2000
Samsoee-Petersen, L. | Mortensen, G.K.
Effects of selected trace metals on germinating seeds of six plant species
1991
Carlson, C.L. (Savannah River Ecology Lab., Aiken, SC (USA). Biogeochemistry Div.) | Adriano, D.C. | Sajwan, K.S. | Abels, S.L. | Thoma, D.P. | Driver, J.T.
