heavy metal

  1. Farmer.J

    Danger Cats

  2. NaturalFarmer

    Heavy metals in soil

    A really interesting presentation from Dr Andrew Margenot. Mostly concerning Pb as it is the most concern due to leaded gasoline which has dusted more urban areas and caused higher amounts of lead levels in soil nationwide. n Interestingly plant uptake is not as dangerous as direct exposure...
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