https://scholars.lib.ntu.edu.tw/handle/123456789/356849
標題: | Large-area experiment on uptake of metals by twelve plants growing in soils contaminated with multiple metals | 作者: | Lai, H.-Y. Juang, K.-W. Chen, Z.-S. ZUENG-SANG CHEN |
關鍵字: | Large-area experiment; Multiple metals-contaminated soils; Phytoextraction | 公開日期: | 2010 | 卷: | 12 | 期: | 8 | 起(迄)頁: | 785-797 | 來源出版物: | International Journal of Phytoremediation | 摘要: | A site in central Taiwan with an area of 1.3 ha and contaminated with Cr, Cu, Ni, and Zn was selected to examine the feasibility of phytoextraction. Based on the results of a preexperiment at this site, a total of approximately 20,000 plants of 12 species were selected from plants of 33 tested species to be used in a large-area phytoextraction experiment at this site. A comparison with the initial metal concentration of 12 plant species before planting demonstrated that most species accumulated significant amounts of Cr, Cu, Ni, and Zn in their shoots after growing in this contaminated site for 31 d. Among the 12 plant species, the following accumulated higher concentrations of metals in their shoots; Garden canna and Garden verbena (45-60 mg Cr kg-1, Chinese ixora and Kalanchoe (30 mg Cu kg-1, Rainbow pink and Sunflower (30 mg Ni kg-1, French marigold and Sunflower (300-470 mg Zn kg-1. The roots of the plants of most of the 12 plant species can accumulate higher concentrations of metals than the shoots and extending the growth period promotes accumulation in the shoots. Large-area experiments demonstrated that phytoextraction is a feasible method to enable metal-contaminated soil in central Taiwan to be reused. © Taylor & Francis Group, LLC. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-77957898045&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/356849 |
DOI: | 10.1080/15226510903534554 | SDG/關鍵字: | chromium; copper; metal; nickel; zinc; article; bioremediation; flower; growth, development and aging; metabolism; plant; plant root; pollution; soil pollutant; sunflower; Biodegradation, Environmental; Chromium; Copper; Environmental Pollution; Flowers; Helianthus; Metals; Nickel; Plant Roots; Plant Shoots; Plants; Soil Pollutants; Zinc; Dianthus chinensis; Helianthus; Ixora; Kalanchoe; Tagetes patula; Verbena x hybrida; Verbenaceae |
顯示於: | 農業化學系 |
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