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Soil chemistry? Are you kidding? CEC in Under 500 Words

By   /  August 12, 2013  /  3 Comments

Cation exchange capacity is part of your soil test results. Why do you care? Because it is the capacity of your soil to hold nutrients. Hold onto the tractor seat! We’re in for a quick and bumpy ride down the Soil Science Lane!

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Remember our article on pH and why you should care?  Well this is a follow on article that gives yo
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About the author

Author and editor emeritus

Rachel's interest in sustainable agriculture and grazing has deep roots in the soil. She's been following that passion around the world, working on an ancient Nabatean farm in the Negev, and with farmers in West Africa's Niger. After returning to the US, Rachel received her M.S. and Ph.D. in agronomy and soil science from the University of Maryland. For her doctoral research, Rachel spent 3 years working with Maryland dairy farmers using management intensive grazing. She then began her work with grass farmers, a source of joy and a journey of discovery.


  1. Marilyn Bay Wentz says:


    I want to publish this story on CEC in Bison World, a quarterly magazine that goes out to about 1,000 people, mostly members of the National Bison Association. I assume that is OK, but wanted to confirm with you.

    Marilyn Bay Wentz
    Editor, Bison World

    • Kathy Voth says:

      Hi Marilyn,

      We’d be glad to have you publish this in Bison World. Please feel free to do so. We ask only that you credit On Pasture and the author when you reprint a piece. We’re happy to hear about the re-publish, and thank you very much for asking/confirming.

      Rachel and Kathy

  2. Randy White says:

    Rachel, I would love to see you publish an article on how agriculture will be impacted by dried Fukushima radiation blowing on to US west coast crops / produce as it comes in from the sea. We already know that the seafood chain is going to be decimated, but soil absorption and groundwater will be of growing concern as tests show increased radiation levels in our west coast food system and soils. An article on how farmers can counter the threat using hemp and other absorbers (or whatever your research shows can deflect radiation poisoning) will be of major importance moving forward. Thank you!

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