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Influence of Soil Water Content and Soil Amendments on Trace Metal Release and Seedling Growth in Serpentine Soil

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Figure

Table 1 Elemental composition and physicochemical characteristics of serpentine soil (< 2 mm) and the organic amendments  DTPA extractable metal concentration Ammonium acetate extractable cation pH NO 3− (mg kg−1)PO43− (mg kg−1) TOC (%) CEC (cmolc kg−1)
Figure  5  shows  the  variation  of  seedling  vigor  index  (SVI)  among  mung  bean  and  tomato  seedlings  which  were  grown  in  SP  and  FC  soils  with  different  amendment  ratios
Table  2  Trace  metal  concentration  in  soil  solution  eluded  from  SP  and  FC  soils
Fig.  3  Changes  in  the  concentration  of  nitrate  (NO 3  − ),  phosphate  (PO 4 3− ),  total  organic  carbon  (%TOC),  and  cation  exchange  capacity  (CEC)  at   dif-ferent  amendments  ratios  under  difdif-ferent  soil  water  status
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