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Thread: Why is volcanic soil more acidic?

  1. #1 Why is volcanic soil more acidic? 
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    Please include a link for citations.
    Thanks!


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  3. #2  
    Forum Radioactive Isotope Paleoichneum's Avatar
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    Hmm, is this possibly a homework question?

    And what do you think the reason is at this point?


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  4. #3  
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    What is your evidence that volcanic soil is infact more acidic?
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    My teacher told me that. He didn't say anything else.
    So why is volcanic soil acidic?
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  6. #5  
    Forum Radioactive Isotope Paleoichneum's Avatar
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    Is this a homework question?
    If more of us valued food and cheer and song above hoarded gold, it would be a merrier world. -Thorin Oakenshield

    The needs of the many outweigh the need of the few - Spock of Vulcan & Sentinel Prime of Cybertron ---proof that "the needs" are in the eye of the beholder.
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  7. #6  
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    So your first problem is independent varification that your teacher is telling the truth. What results did your Google search reveal? What are the differnces between volcanic and other soils? How would you identify a soil sample as volcanic if you did not know where it came from? What about the problems of farming volcanic soils, vrs non volcanic ones?
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  8. #7  
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    You do understand that we are not going to do your homework for you, do you not?
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  9. #8  
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    the teacher probably want to hear that...

    sulphur oxides becoming sulphuric acid at the presence of water.

    I never heard of a volcano not producing sulphuric oxides...

    you'll need to research the citation and details your self though....
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  10. #9  
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    Quote Originally Posted by Quantum immortal View Post
    the teacher probably want to hear that...

    sulphur oxides becoming sulphuric acid at the presence of water.

    I never heard of a volcano not producing sulphuric oxides...

    you'll need to research the citation and details your self though....
    At first: I dont know the answer! But the volcanic soil I know, is the so called Andosol, which seems to me not to have any sulphur oxides, and i also would wonder if it would be acidic. As far as I know acidic soil isnt good for agriculture, but volanic soil is said to be quite good for it, cause of its high amount of free K+, Na+, Ca+ Cations
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