Fertilizer's Effect on Metal?

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Coinguy19
Coinguy19 Posts: 259 ✭
in Metal Detecting
Today I went to an old farm field to ask permission to hunt, the response I received was, "You don't want to detect here, all the metal you will pull up will be corroded due to the fertilizer". Since this is the first time I have ever asked to detect at a farm field I never really thought about the effect the fertilizer could have. Does anyone have experiences they can share that would prove or disprove this statement? I'm sure that it would effect some metals pretty heavily while not corroding other metals that badly, any thoughts are appreciated, thanks in advance!
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  • millennium
    millennium Posts: 3,305
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    I never have given it much thought...I figure if I can detect the area, I'll take my chances ...
    My Coin Find Videos
  • ricko
    ricko Posts: 98,724 ✭✭✭✭✭
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    It would depend on the fertilzer and the concentration.... Mostly, the field coins I have seen, are not greatly affected. Cheers, RickO
  • intocoins
    intocoins Posts: 602 ✭
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    Most often you will not be hunting the actual fields. You probably will want to hunt the area around the houses and out-buildings. I think you will find that these areas will be more lucrative. I'm sure if fertilizer was directly on most metals it would react badly. I would think that for the most part the fertilizer would be mostly diluted by the time it got to the metal from rain and what not. My father lives on a farm and spreads fertilizer annually and I have not seen a difference in these finds from any others. I think it might just be a case of- " I don't want you digging in my fields". Good luck and happy hunting.
  • Karb
    Karb Posts: 557 ✭✭✭
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    Maybe if they use Anhydrous Ammonia for fertilizer it may react with certain metals. I would imagine it would eat up silver and gold.
    Robert

    Hoarding silver and collecting history

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