Effects of EDDS application on phytoextraction of cadmium, lead and zinc contaminated soil with Brassica napus
Künye
DAĞHAN H, KÖLELİ N (2018). Effects of EDDS application on phytoextraction of cadmium, lead and zinc contaminated soil with Brassica napus. Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi, 28(5), 276 - 282.Özet
Abstract: Cadmium (Cd), lead (Pb) and zinc (Zn) contaminations of soils are a serious worldwide problem that
affects human health and environmental quality. Phytoremediation, use of green plants to remove, sequester or
detoxify contaminants, offers an environmentally friendly alternative solution for soil remediation. The effect of
canola (Brassica napus L.) and a biodegradable chelate, ethylenediamine dissuccinate (EDDS), were tested on
remediation of multi metal (Cd, Pb, and Zn) contaminated soil. In the pot experiment, plants were grown for two
months on five soil mixtures obtained by mixing an uncontaminated soil sample with 0, 25, 50, 75, and 100% of
multiple metal contaminated soil. The biomass of the plants were weighed, and the uptakes of Cd, Pb and Zn in
the shoot were determined using ICP-MS. The addition of multi metals to the soil led to the increase of multi
metal contents in plants. Consequently, the dry weights of the plants were increased with EDDS treatments in
25 and 50 % multi-metal doses compared to the control treatment. EDDS has significantly increased the uptake
of metals (Cd, Pb, and Zn) from the soil and their accumulations in shoots of the plants. The Cd concentration
of plant was higher than the hyperaccumulation limit of Cd (>100 mg kg-1
) with EDDS treatment in 25 and 50%
multi-metal doses (141 and 174 mg Cd kg-1
, respectively) except for Zn and Pb concentrations.