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Soil analysis

Discussion in 'Talk to Tom Barr' started by pepetj, Apr 24, 2011.

  1. pepetj

    pepetj Lifetime Members
    Lifetime Member

    Oct 8, 2008
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    9:50 PM
    I wonder where I could send a sample of soil for nutrients and mineral analysis.

    In Santo Domingo a naturally enriched soil called "Tierra Negra" is widely used (it's a tradition) for crops and gardening. It's still possible to see peasants selling it in carriages moved by horse. The most fertile land in Hispaniola has this type of soil. I'm experimenting with this substrate and so far I'm getting good results.

    I know this type of soil is considered "virgin" since it's collected from open mines located in rural areas. When just collected it holds a lot of moisture and is rich in earthworms yet once sun dried no earthworms can be found in it (my experience). It has no chemicals added on purpose yet I'm not sure if some mines are contaminated or not.

    It's not found in stores (local gardening store use either synthetic soil or a mixture of soils that includes "tierra negra" with fertilizers added or with organic "stuff" that is sold as fertilizer.

    What type of laboratory can perform such analyisis? I would not only like to determine its pH and NPK content but also most trace elements as well.

    Santo Domingo
  2. Tom Barr

    Tom Barr Founder
    Staff Member Administrator

    Jan 23, 2005
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    9:50 PM
    The University might have already done the analysis for you and the VARIOUS other soil types in the country.
    Check there.

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