Paper Information

Journal:   PAJOUHESH-VA-SAZANDEGI   SUMMER 2007 , Volume 20 , Number 2 (75 IN NATURAL RESOURCES); Page(s) 54 To 63.
 
Paper: 

PHYTOREMEDIATION OF LEAD WITH NATIVE RANGELAND PLANTS IN IRANKOH POLLUTED SOILS

 
 
Author(s):  PARSA DOUST F., BAHREYNI NEZHAD B., SAFARI SANJANI A.A., KABOLI M.M.
 
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Abstract: 

Evaluation of toxic metals in soil and plants is the most important subject according to health of human and ecosystem. In this study 3 sites with 3 density of Lead pollution (high, medium and low) selected in Irankoh region via satellite images. Physical and chemical soil characteristics determined then11 common plant species selected. Shoots and roots of these plants were sampled in May 2005. This experiment was done in completely randomized plot design with 3 replicates. Physical and chemical characteristics of rhizospheric soils were prepared and extracted lead analysed using DTPA. Finally lead accumulation and translocation factor measured in this study. According to the results Astragalus glaucanthus, Ebenus estellata and Acantholimon sp. showed the highest value of lead concentration and translocation factor 118.6, 98.1, 86.2 (mg/kg dry matter), and 2.95, 3.54 and 3.7 respectively. These recent 3 plants are recommended for phytoremediation of lead in the same conditions.

 
Keyword(s): PHYTOREMEDIATION, HYPERACCUMULATOR, RANGELAND PLANTS, LEAD
 
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