NDLI: Phytoremediation potential of switchgrass (Panicum virgatum L.) for Cr-polluted soil

Content Provider	IEEE Xplore Digital Library
Author	Cui Li Qing-Hai Wang Bo Xiao Yun-Fu Li
Copyright Year	2011
Description	Author affiliation: Beijing R&D Center for Grasses & Environ., Beijing Acad. of Agric. & Forestry Sci., Beijing, China (Cui Li; Qing-Hai Wang; Bo Xiao; Yun-Fu Li)
Abstract	Experiments in natural conditions were conducted to evaluate the remediation potential of switchgrass (Panicum virgatum L.) for soil polluted by chromium. The switchgrass was planted in the soil with 131.25, 162.5, 225, 350, 600 mg/kg Cr, respectively. After 40 days, the plant was sampled and its Cr concentration was measured. The results showed that physiological indices and plant biomass have no significant difference between the control and the treatments with low concentration of Cr (<;350 mg/kg), which indicates that switchgrass has high tolerance to Cr. The concentration of Cr in shoots and roots all increased with the increasing Cr concentration in soil. The highest accumulation of Cr in plants reached 1543.8 mg/pot. For heavy Cr-polluted soil (600 mg/kg), the Cr concentration in roots was 872.5 mg/kg. It implies that the root of switchgrass has great ability to uptake Cr from polluted soil. From above results, It is speculated that switchgrass has great potential for phytoremediation of Cr-polluted soil.
Starting Page	1731
Ending Page	1734
File Size	116001
Page Count	4
File Format	PDF
ISBN	9781612843391
e-ISBN	9781612843407
DOI	10.1109/ISWREP.2011.5893582
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switchgrass (Panicum virgatum L.) Soil measurements Switches Soil Chromium Biomass Pollution measurement Heavy metal Phytoremediation
Content Type	Text
Resource Type	Article

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