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Thread: Spreading Rock Dust On Fields Could Remove Vast Amounts Of CO2 From Air

  1. #1
    Moderator Julieanne's Avatar
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    Default Spreading Rock Dust On Fields Could Remove Vast Amounts Of CO2 From Air

    D P Caringtpn
    July 9 2020

    Spreading rock dust on farmland could suck billions of tonnes of carbon dioxide from the air every year, according to the first detailed global analysis of the technique.
    The chemical reactions that degrade the rock particles lock the greenhouse gas into carbonates within months, and some scientists say this approach may be the best near-term way of removing CO2 from the atmosphere.


    Read more: https://www.theguardian.com/environm...ngmailau_email

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    Veteran Member grulla's Avatar
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    Default Re: Spreading Rock Dust On Fields Could Remove Vast Amounts Of CO2 From Air

    This corroborating EcoWatch article just arrived. All this reminds me of the benefits of naturally occurring, mineralized sand and silt from mountain wash runoff. I need to do further research.
    https://www.ecowatch.com/rock-dust-c...fa969-85964677
    Last edited by grulla; 4 Weeks Ago at 10:17 AM.

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    Veteran Member grulla's Avatar
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    Default Re: Spreading Rock Dust On Fields Could Remove Vast Amounts Of CO2 From Air

    This link may be somewhat helpful in sand selection:
    https://www.hunker.com/12263411/type...getable-garden

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    Moderator Julieanne's Avatar
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    Default Re: Spreading Rock Dust On Fields Could Remove Vast Amounts Of CO2 From Air

    I have been using rock dust on plants for several years. As a home gardener, it can be expensive, so I only add it to potted plants - and I have to grow everything but fruit trees in pots, due to invading roots from neighbours trees. Farmers can buy it by the ton, so it is cheaper for them. The one I buy has a long list of minerals.

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    Default Re: Spreading Rock Dust On Fields Could Remove Vast Amounts Of CO2 From Air

    is it really good. like very effective. if it is i can try on mine.

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    Moderator Julieanne's Avatar
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    Default Re: Spreading Rock Dust On Fields Could Remove Vast Amounts Of CO2 From Air

    Try a simple experiment. Put some quick growing plants in two pots, one with and one without rock dust. I have seen photos of this and there really is a difference. Fun to do!

  7. #7
    Moderator Julieanne's Avatar
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    Default Re: Spreading Rock Dust On Fields Could Remove Vast Amounts Of CO2 From Air

    scilover, in case I gave you the wrong idea, this doesn't displace other fertilisers, eg, there is no nitrogen in rock dust. It's in addition to the compost, manure etc you might normally use.

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