NDLI: Effect of soil amendments on phytoextraction potential of Brassica juncea growing on sewage sludge

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Effect of soil amendments on phytoextraction potential of Brassica juncea growing on sewage sludge

Content Provider	Semantic Scholar
Author	Dede, Gulgun Ozdemir, Saim Dede, Omer Hulusi
Copyright Year	2012
Abstract	A pot experiment was conducted to investigate the influence of elemental sulfur, gypsum and chelating agent (Ethylenediaminetetraacetic acid) on copper, zinc, nickel, cadmium, chromium and lead uptake by Brassica juncea from sewage sludge. Addition of sulphur acidified the sludge, which caused the pH decrease to 5.4 with an initial pH 6.7. The shoot and root biomass were increased with sulfur addition, while decreased with Ethylenediaminetetraacetic acid addition. Applications of Ethylenediaminetetraacetic acid and sulfur resulted in a considerable increase in copper and lead concentrations in the plant. The highest root concentration of copper obtained to be 110 mg/kg dw at Ethylenediaminetetraacetic acid treatment. For sulfur treatment, lead concentrations in shoots indicated almost high concentrations 77 mg/kg, about twofold increases relative to roots (34 mg/kg). The Transportation Index of all studied metals were quite low (TI \ 0.5), whereas the Bioaccumulation Factor values were much higher, varied from 0.01 to 9.67. Furthermore, the plant showed better Bioaccumulation Factor for copper and lead metals in both shoot and root. The efficiency to remove copper and lead from sludge is high in this plant. As a result, elemental sulfur will be effective amendment for phytoextraction of heavy metals from sewage sludge.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.bioline.org.br/pdf?st12058
Language	English
Access Restriction	Open
Subject Keyword	ACID Pro Amendment Biomass Brassica juncea Cadmium Calcarea sulphurica, gypsum, sulphate of calcium, Homeopathic preparation Chelating Activity Chelating Agents Chromium Edetic Acid Elemental Marijuana Abuse Metals Metals, Heavy Plant Roots Sulfur Hexafluoride Technetium Tc 99m Sulfur Colloid bioaccumulation endopeptidase Clp mg/kg nickel
Content Type	Text
Resource Type	Article

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