Barium levels in soils and Centella asiatica.

作者: Ghim Hock Ong , Chee Kong Yap , Maziah Mahmood , Soon Guan Tan , Suhaimi Hamzah

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摘要: In this study, Centella asiatica and surface soils were collected from 12 sampling sites in Peninsular Malaysia, the barium (Ba) concentrations determined. The Ba concentration (µg/g dry weight (dw)) was 63.72 to 382.01 µg/g while C. asiatica, ranged 5.05 21.88 for roots, 3.31 11.22 leaves 2.37 6.14 stems. accumulation found be highest roots followed by correlation coefficients (r) of between plants significantly positively correlated, with being roots-soils (r=0.922, p<005), leaves- (r=0.890, p<005) stems-soils (r=0.848, p<005). This indicates that these three parts are good biomonitors pollution. For transplantation four selected as unpolluted ((Universiti Putra Malaysia (UPM)), semi-polluted (Seri Kembangan Balakong) polluted (Juru). Based on

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