I have understood from personal research studies and also from other reported scientific works that in most cases, amount of metal uptake by floras in contaminated soil are usually exceeding reported content in that same soil (total not extractable in any way). What mechanism could explain this observation?
Thank you Edmond, I have a firm grasp of this knowledge. Am just curious about the mechanism that leads to greater accumulation of heavy metals in plant biomass than bioavailable ones and at times greater than total recovered content.
Edmond, very interesting contribution. I actually mean total content in the pedosphere compared to accumulated in plant biomass. Most times, what we refer to as total may nt actually be total metal due to some strongly sorb to silica component of soil that may prove stubborn to release out.
Perhaps this could make case for higher amt in plant biomas than recovered pedosphere content.
This is my opinion, Edmond
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