2 2akagi

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2 2akagi
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          5000  gSi/g   1987  Ma et al.,2006      2.2.2   (Fu etal., 2002)  Nakanishi   (2004)      2.2.3  1g   mg  10,000   m   100  m   2.2.2   gSi/g drywt      8060025003007000  501001010500  12003002080500Fu et al. (2002)  2.2.1     1987  ----------------------------------------------------------------------  ----------------------------------------------------------------------  2.2.3   Harvey & Fuller, 2005  20  m  Colonial Williamsburg,, Phytolith Database   1  15  m      2.2.4   Akter & Akagi, 2005  2  5    Derry et al. (2005)  Ge/Si  (2006)  K   Akter & Akagi          2.2.4       BasaltSilicate5 timesVascular plantsCawley et al. (1969)BiotiteBiotite1-4 timesForestTaylor & Velbel (1991)BasaltCa, Mg2-5 timesPine treeBorman et al. (1998)BasaltCa, Mg, Na, K1-5 timesForestArthur & Fahey (1993), Berner (1999)BasaltCa, Mg2-5 timesForestMoulton & Berner (1998)BasaltSilicate1.5-5 timesCultivated VegetationBenedetti et al. (1994)Si, Ca, Mg , Na1-5 timesCrop plants   BasaltFe100-500 timesBanana, MaizeHinsinger et al. (2001)Phosphate rockRock70%White lupinHinsinger & Gikes (1995)Phlogophite micaK and Mg8% and 2%RapeHinsinger et al. (1993)AndesiteSi, Ca, Mg, Mn2-28 timesRice, maize, soybeanAkter &Akagi (2006)BasaltSi, Ca, Mg Mn,Al , Fe2-110 timesRice, maize, soybeanAkter & Akagi (2005)Akter & Akagi (2005)          (2006):  K         40 : 1-12.Akter M. & Akagi T. (2005) : Effect of Fine Roots Contact onPlant-Induced Weathering of Basalt. Soil Sci. Plant  Nutrition   51 : 861-871.Akter M. & Akagi T. 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