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nafex - Re: [NAFEX] soil testing

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  • From: "Donna &/or Kieran" <holycow@cookeville.com>
  • To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] soil testing
  • Date: Wed, 12 Dec 2007 16:33:02 -0600

Stephen,
Don't forget that toxic levels of certain minerals can also make soil lifeless. Jim Fruth reminded me of this when I mentioned boron deficiency once. He said that someone couldn't believe the very small amount of boron recommended for his farm, so he doubled the amount. That wiped out it's cropping ability, I guess till enough washes away.
For toxic metals, say arsenic where a pile of treated lumber was burned, digging up and hauling away the soil is the only safe option. But for lots of problems, really high levels of organic matter will buffer whatever is out of balance. Donna




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